diff --git a/econ-demo.py b/econ-demo.py
index 05546f3..cfcca1a 100644
--- a/econ-demo.py
+++ b/econ-demo.py
@@ -2,7 +2,7 @@
 import pandas as pd
 import matplotlib.pyplot as plt
 
-def simple_interest(balances, rate=0.05, terms=3):
+def compounding_interest(balances, rate=0.05, terms=3):
     if terms <= 0:
         print("Number of terms must be >0!")
         return
@@ -64,14 +64,14 @@ def illustrate_share_of_wealth():
     print("\n")
 
     df = get_balances_over_time (
-        participants, balances, simple_interest
+        participants, balances, compounding_interest
     )
     print(df.to_html())
 
     terms = 222
     print(f"How much money exists after {terms} terms?")
     #### In 222 terms, even C becomes a millionaire.
-    nb = simple_interest(balances, terms=terms)
+    nb = compounding_interest(balances, terms=terms)
     print(nb)
     print("\n")
 
@@ -129,10 +129,12 @@ def visualize_ubi(terms=25):
     plt.legend()
     plt.xlabel("Terms")
     plt.ylabel("Share of Wealth")
-    plt.show()
+    plt.savefig("ubi-wealth-distribution.png")
+    plt.close()
+    # plt.show()
     return
 
-# visualize_ubi(terms=50)
+visualize_ubi(terms=50)
 
 def calc_total_supply(df):
     total = []
@@ -153,7 +155,7 @@ def visualize_inflation(terms=50):
     total_supply_ubi = calc_total_supply(df)
 
     df_si = get_balances_over_time (
-        participants, balances, simple_interest,
+        participants, balances, compounding_interest,
         terms = terms
     )
     total_supply_si = calc_total_supply(df_si)
@@ -163,15 +165,17 @@ def visualize_inflation(terms=50):
 
     plt.style.use('dark_background')
     plt.plot(
-        x, total_supply_ubi, color="cyan", label="UBI"
+        x, total_supply_ubi, color="cyan", label="UBI (n=3, du=10)"
     )
     plt.plot(
-        x, total_supply_si, color="red", label="Debt (Simple Interest)"
+        x, total_supply_si, color="red", label="Debt (n=3, APY=5%)"
     )
-    plt.title("Money Supply over Time: UBI vs Simple Interest")
+    plt.title("Money Supply over Time: UBI vs Compounding Interest")
     plt.legend()
     plt.xlabel("Terms")
     plt.ylabel("Total Currency")
-    plt.show()
+    plt.savefig("inflation-ubi-vs-5apy.png")
+    plt.close()
+    # plt.show()
 
 visualize_inflation(terms=75)