1st State Bank Balance Sheet Assets Cash and Due from Banks $ 50 $ 300 Investment Federal Funds $ 10 Loans $ 350 Premises $ 90 $ 800 $ 100 $ 300 $ 300 Average Total Assets Liabilities & Equity Demand Deposits Time Deposits Federal Funds Equity Average Total Liabilities & Equity Income Statement Interest Income Interest Expense $ 100 $ 800 $ 100 $ 75 Non-Interest income $ 5 Non-Interest Expense $ 25 Net Income $ 5 What is the earnings base at 1st State? Select one: O a. 12.5% O b. 17.5% O c. 58.5% O d. 75.5% O e. 82.5%