diff --git a/.github/workflows/create_pip_package.yml b/.github/workflows/create_pip_package.yml
index 28685319..b1a63654 100644
--- a/.github/workflows/create_pip_package.yml
+++ b/.github/workflows/create_pip_package.yml
@@ -12,11 +12,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
-          python-version: 3.12
+          python-version: "3.12"
       - name: Build package
         run: make pip-package
       - name: Publish a Python distribution to PyPI
diff --git a/README.md b/README.md
index abb490f9..7ccb9680 100644
--- a/README.md
+++ b/README.md
@@ -55,4 +55,4 @@ Results will change as the underlying models improve. A fundamental reason for a
 
 
 ## Citing the Cost-of-Capital-Calculator Model
-Cost-of-Capital-Calculator (Version 1.5.1)[Source code], https://github.com/PSLmodels/Cost-of-Capital-Calculator
+Cost-of-Capital-Calculator (Version 1.5.2)[Source code], https://github.com/PSLmodels/Cost-of-Capital-Calculator
diff --git a/ccc/__init__.py b/ccc/__init__.py
index 3626db7f..97d84c79 100644
--- a/ccc/__init__.py
+++ b/ccc/__init__.py
@@ -6,4 +6,4 @@
 from ccc.data import *
 from ccc.calculator import *
 
-__version__ = "1.5.1"
+__version__ = "1.5.2"
diff --git a/ccc/calcfunctions.py b/ccc/calcfunctions.py
index 85cb492b..5179b68d 100644
--- a/ccc/calcfunctions.py
+++ b/ccc/calcfunctions.py
@@ -3,8 +3,6 @@
 from ccc.constants import TAX_METHODS, RE_ASSETS, RE_INDUSTRIES
 from ccc.utils import str_modified
 
-pd.set_option("future.no_silent_downcasting", True)
-
 ENFORCE_CHECKS = True
 
 
@@ -42,14 +40,19 @@ def update_depr_methods(df, p, dp):
         deprec_df, how="left", left_on="bea_asset_code", right_on="BEA_code"
     )
     # add bonus depreciation to tax deprec parameters dataframe
-    # ** UPDATE THIS  - maybe including bonus in new asset deprec JSON**
-    df["bonus"] = df["GDS_life"].apply(str_modified)
+    df["bonus"] = df["GDS_life"]
+    # update tax_deprec_rates based on user defined parameters
     df.replace({"bonus": p.bonus_deprec}, inplace=True)
-    # make bonus float format
-    df["bonus"] = df["bonus"].astype(float)
     # Compute b
     df["b"] = df["method"]
     df.replace({"b": TAX_METHODS}, regex=True, inplace=True)
+    # use b value of 1 if method is not in TAX_METHODS
+    # NOTE: not sure why the replae method doesn't work for this method
+    # Related: had to comment this out in TAX_METHODS
+    df.loc[df["b"] == "Income Forecast", "b"] = 1.0
+    # cast b as float
+    df["b"] = df["b"].astype(float)
+
     df.loc[df["system"] == "ADS", "Y"] = df.loc[
         df["system"] == "ADS", "ADS_life"
     ]
@@ -142,9 +145,9 @@ def econ(delta, bonus, r, pi):
 
 def income_forecast(Y, delta, bonus, r):
     r"""
-    Makes the calculation for the income forecast method.
+    Makes the calculation for the Income Forecast method.
 
-    The income forecast method involved deducting expenses in relation
+    The Income Forecast method involved deducting expenses in relation
     to forecasted income over the next 10 years. CCC follows the CBO
     methodology (CBO, 2018:
     https://www.cbo.gov/system/files/2018-11/54648-Intangible_Assets.pdf)
diff --git a/ccc/calculator.py b/ccc/calculator.py
index 844cd341..ca0b10c9 100644
--- a/ccc/calculator.py
+++ b/ccc/calculator.py
@@ -2000,14 +2000,10 @@ def asset_bubble(
         }
 
         equipment_df["short_category"] = equipment_df["minor_asset_group"]
-        # equipment_df['short_category'].replace(make_short,
-        #                                        inplace=True)
         equipment_df.replace(
             {"short_category": make_short}, regex=True, inplace=True
         )
         structure_df["short_category"] = structure_df["minor_asset_group"]
-        # structure_df['short_category'].replace(make_short,
-        #                                        inplace=True)
         structure_df.replace(
             {"short_category": make_short}, regex=True, inplace=True
         )
diff --git a/ccc/constants.py b/ccc/constants.py
index 03275974..28b35c92 100644
--- a/ccc/constants.py
+++ b/ccc/constants.py
@@ -60,7 +60,7 @@
     "SL": 1.0,
     "Economic": 1.0,
     "Expensing": 1.0,
-    "Income Forecast": 1.0,
+    # "Income Forecast": 1.0,
 }
 
 MINOR_ASSET_GROUPS = dict.fromkeys(
diff --git a/ccc/parameters.py b/ccc/parameters.py
index a1313157..4994f0bf 100644
--- a/ccc/parameters.py
+++ b/ccc/parameters.py
@@ -206,13 +206,13 @@ def compute_default_params(self):
             (str(i) if i != 27.5 else "27_5") for i in class_list
         ]
         self.bonus_deprec = {}
-        for cl in class_list_str:
-            self.bonus_deprec[cl] = getattr(
+        for i, cl in enumerate(class_list_str):
+            self.bonus_deprec[class_list[i]] = getattr(
                 self, "BonusDeprec_{}yr".format(cl)
             )[0]
         # to handle land and inventories
         # this is fixed later, but should work on this
-        self.bonus_deprec["100"] = 0.0
+        self.bonus_deprec[100] = 0.0
 
     def default_parameters(self):
         """
diff --git a/ccc/tests/test_start_years.py b/ccc/tests/test_start_years.py
index 8b8743c4..d51fbc90 100644
--- a/ccc/tests/test_start_years.py
+++ b/ccc/tests/test_start_years.py
@@ -33,5 +33,5 @@ def test_params_start_year(year, expected_values):
     """
     p = Specification(year=year)
     assert np.allclose(p.u["c"], expected_values[0])
-    assert np.allclose(p.bonus_deprec["3"], expected_values[1])
+    assert np.allclose(p.bonus_deprec[3], expected_values[1])
     assert np.allclose(p.phi, expected_values[2])
diff --git a/ccc/utils.py b/ccc/utils.py
index c8a30592..ec79bccc 100644
--- a/ccc/utils.py
+++ b/ccc/utils.py
@@ -1,4 +1,4 @@
-import pkg_resources
+import importlib.resources as pkg_resources
 from collections import OrderedDict
 import warnings
 import numbers
@@ -119,15 +119,9 @@ def read_egg_csv(fname, index_col=None):
     Returns:
         vdf (Pandas DataFrame): data from csv file
     """
-    # try:
-    path_in_egg = os.path.join(PACKAGE_NAME, fname)
     try:
-        vdf = pd.read_csv(
-            pkg_resources.resource_stream(
-                pkg_resources.Requirement.parse(PYPI_PACKAGE_NAME), path_in_egg
-            ),
-            index_col=index_col,
-        )
+        with pkg_resources.open_text(PACKAGE_NAME, fname) as file:
+            vdf = pd.read_csv(file, index_col=index_col)
     except Exception:
         raise ValueError("could not read {} data from egg".format(fname))
     # cannot call read_egg_ function in unit tests
@@ -147,15 +141,8 @@ def read_egg_json(fname):
 
     """
     try:
-        path_in_egg = os.path.join(PACKAGE_NAME, fname)
-        pdict = json.loads(
-            pkg_resources.resource_stream(
-                pkg_resources.Requirement.parse(PYPI_PACKAGE_NAME), path_in_egg
-            )
-            .read()
-            .decode("utf-8"),
-            object_pairs_hook=OrderedDict,
-        )
+        with pkg_resources.open_text(PACKAGE_NAME, fname) as file:
+            pdict = json.loads(file.read(), object_pairs_hook=OrderedDict)
     except Exception:
         raise ValueError("could not read {} data from egg".format(fname))
     # cannot call read_egg_ function in unit tests
diff --git a/docs/book/content/intro.md b/docs/book/content/intro.md
index 67db21e5..b9fb2cf0 100644
--- a/docs/book/content/intro.md
+++ b/docs/book/content/intro.md
@@ -22,4 +22,4 @@ Results will change as the underlying models improve. A fundamental reason for a
 
 
 ## Citing the Cost-of-Capital-Calculator Model
-Cost-of-Capital-Calculator (Version 1.5.1)[Source code], https://github.com/PSLmodels/Cost-of-Capital-Calculator
\ No newline at end of file
+Cost-of-Capital-Calculator (Version 1.5.2)[Source code], https://github.com/PSLmodels/Cost-of-Capital-Calculator
\ No newline at end of file
diff --git a/setup.py b/setup.py
index d37d1fe6..5cb0dd36 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
     download_url="https://github.com/PSLmodels/Cost-of-Capital-Calculator",
     long_description_content_type="text/markdown",
     long_description=longdesc,
-    version="1.5.1",
+    version="1.5.2",
     license="CC0 1.0 Universal (CC0 1.0) Public Domain Dedication",
     packages=["ccc"],
     include_package_data=True,