10 points ist National Bank Balance Sheet Assets Labies and Equity Cash and Dun from Banks 375 Demand Deposit 1150 Investment $400 Time Deposits Federal Funda 318 Federal Funds 5425 Lone 3402 Equity $100 Premises $105 Average Total Assets $1,000 Average Total Liabilities and Equity $1,000 Income Statement Interest Income $150 Interest Expense $110 Non-Interest Income $11 Non-Interest Expense $38 Net Income $13 What is 1st National's net interest margin? 0.6% 3.8% 4.9% 8.2% 9.8%