What function should you use in the selected red cell C13? A Lizzy's Charge Sheet Rate/hour $100.00 3 1 Item Hours Total Removal of chairs 4 $400 $100 Removal of paints 1 2 $200 $400 Prepanng walls Decorating walls Repairing damage walls Clean Windows 2 $200 $100 Cleaning up $100 Total Charge Select the single best A. SUM B. ADD C. TOT D. TOTAL