Lasalle manufactures and sells a single product. A partially completed schedule of the company's total and per-unit costs over the relevant range of 30,000 to 50,000 units produced and sold annually is given below: Required: 1. Complete the schedule of the company's total and unit costs. (Round the "Cost per unit" answers to 2 decimal places.) 2. Assume that the company produces and sells 38,000 units during a year at a selling price of $16 per unit. Prepare a contribution margin income statement for the year