Question #3 The following data have been provided by a retailer that sells a single product:(15 Marks) This Year Last Year Units Sold Sales Revenue 200,000 $1,000,000 700,000 150,000 $1,750,000 525,000 225,000 Less: Cost of Goods Sold Gross Margin 300,000 Less: Operating Expenses 222,000 210,000 Operating Income $78,000 $15,000 Required: Using the Hi-Low Method a. What is the best estimate of the company's variable operating expenses per unit? ( 5 Marks) b. What is the best estimate of the company's total fixed operating expenses per year? (5 Marks) What is the best estimate of the company's contribution margin for this year