Calculate the missing amounts. Riverbed Ltd. Concord Ltd. Sales $1,429,000 $2,149,000 Cost of goods sold 661,627 1,196,993 Gross profit 767373 952007 Operating expenses 584,000 639007 i Income from operations 183373 313,000 Other income 3,200 0 Other expenses 0 3.900 Income before income tax 186573 309100 Income tax expense 40,815 67619 Net income 142558 251,433 (b) Calculate the gross profit margin and profit margin for each company. (Round all amounts to 1 decimal place, eg. 5.2%) Riverbed Concord Gross profit margin % % Profit margin % % Tabela