What formula to put to find gross sales and expenses in excel?

DOCUMENTATION orksheet Name creates a INPUT - ASSUMPTIONS AREA per year EXPENSE GROWTH RATE PER YR Sales 500 complete the yelow cells PROFORMA INCOME STATEMENT 2018 2019 Sales XPENSES Net Income S 2. CREATE A 1V NOTE: NET INCOME IS GROSS SALES MINUS EXPENSES DATAT SHOW 2018 NET H OF 24, & 5%(10 POINTS) 3% 4% 5% 10 POINTS TA TABLE T 1000% 18 NET FOR AND EXPENSE GROWTH RATE OF 5,10,AN 4% 5% CLICK ON THE TAB TITLED ADOITIONAL HELP FOR RELATED 4. UPLOAD YOUR SPREADSHEET (CANVAS) TUBE VIDEOS Page 1 can someone please tell me the answers and what formula to put in excel