How do I go about #2, preparing a common size income statement?

1. PREPARE A HORIZONTAL BALANCE SHEET 2. PREPARE A COMMON SIZE INCOME STATEMENT 123/31/20 12/31/19 $ CHANGE % CHANGE 12/31/20 % 50 150 450 510 10 1170 45 140 510 520 12 1227 5 10 -60 -10 -2 -57 11% 7% -12% -2% -17% -5% CURRENT ASSETS CASH SHORT TERM INVEST ACCTS, RECEIVABLES INVENTORIES PREPAID ASSETS TOTAL CURR. ASSETS LONG TERM ASSETS MACHINERY LAND BUILDING PATENTS TOTAL LONG TERM TOTAL ASSETS SALES REVENUES COST OF GOODS SOLD GROSS PROFIT OPERATING EXPENSES OPERATING INCOME INTEREST EXPENSE INCOME BEFORE TAX INCOME TAX NET INCOME 2650 1225 1425 750 675 67 608 304 304 360 1180 4500 230 6270 7440 350 1180 4600 250 6380 7607 10 0 -100 -20 -110 -167 3% 0% -2% -8% -2% -2% CURRENT LIABILITIES ACC. PAY WAGES PAY TOTAL CURRENT LONG TERM DEBT TOTAL LIABILITIES STOCKHLD'S EQUITY COMMON STOCK RETAINED EARNINGS TOTAL ST. EQUITY TOTAL LIAB.+ST. EQ 360 65 425 2300 2725 375 74 449 2350 2799 -15 -9 -24 -50 -74 -4% -12% -5% -2% -3% 3000 1715 4715 7440 3000 1808 4808 7607 0 -93 -93 -167 0% -5% -2% -2%