Question-4: Harris Company manufactures and sells a single product. A partially completed schedule of the companys total costs and costs per unit over the relevant range of 30,000 to 55,000 units is given below: [Marks :10] Units Produced and Sold 30,000 45,000 55,000 Total costs: Variable cost . . . . . . . . . . . $180,000 ? ? Fixed cost . . . . . . . . . . . . . 200,000 ? ? Total cost . . . . . . . . . . . . . . $380,000 ? ? Costs per unit: Variable cost . . . . . . . . . . . ? ? ? Fixed cost . . . . . . . . . . . . . ? ? ? Total cost per unit . . . . . . . . ? ? ? Requirements: a. Complete the above schedule of the companys total costs and costs per unit. b. Assume that the company produces and sells 50,000 units during the year at a selling price of $15 per unit. Prepare a contribution format income statement for the year.