Humboldt Company manufactures and sells a single product. A partially completed schedule of the company's total and per-unit costs over the relevant range of 48,000 to 68,000 units produced and sold annually is given below: Required: 1. Complete the schedule of the company's total and unit costs. (Do not round intermediate calculations. Enter your "Cost per unit" answers rounded to 2 decimal places. Enter your onswers rounded to the nearest whole dollar.) 2. Assume that the company produces and sells 63.000 units during a year at a selling price of $19.60 per unit. Prepare a contribution margin income statement for the year. (Do not round intermediate colculations. Enter your onswers rounded to the nearest whole dollar.)