6) M&G TV and Appliance Store is a small company that has hired you to perform some management advisory services. The following information pertains to 2017 operations. Sales (1,200 televisions) Cost of goods sold Store manager's salary per year Operating costs per year Advertising and promotion per year Commissions (3.0% of sales) $1,200,000 540,000 108,000 216,000 24,000 36,000 What was the variable cost per unit sold for 2017? $480 What were total fixed costs for 2017? What is the linear cost function? What are the estimated total costs if the company expects to sell 3,300 units next year