Q1- Using the following information for ABC bank for December 2022: Salaries and wages $500,000 Securities gains (losses) $1,00,000 Taxes $500,000 Interest on loans $1,000,000 Interest on securities and investments $230,000 Interest expense $700,000 Service charges and fees $550,000 Other operating income $220,000 Total Loans $2,000,000 Total Liability $750,000 A- Prepare the income B- What is the net interest margin? What does this ratio refer to? C- Calculate the total Return on asset (ROA) and return on liability (ROE). What do these ratios indicate?