You have been provided with the following account balances for Webber Ltd. for the years ended November 30, 2020, and 2021: 2021 2020 Advertising expense $310,000 $277,000 Cost of goods sold 1,780,110 1,422,390 General and administrative expenses 111,000 105,000 Income tax expense 82,000 102,000 Interest revenue 4,800 6,000 Rent expense 36,000 26,400 Sales revenue 3,123,000 2,789,000 Utilities expense 88,000 75,900 Wages expense 504,000 389,000 Webber Ltd Statement of Income 2021 2020 Determine Webber's gross margin percentage for each year. Gross profit percentage 2021 Gross profit percentage 2020 In which year was Webber more successful in this area? Webber was more successful in % de %