Required: a. Prepare an income statement for AZ for each of the three years using: (i) the perce completion method (where costs are used to estimate progress) and (ii) the complet contract method. Optional (if you want to try): prepare the income statement also u the installment method and (iv) the cost recovery method (covered in the appendix lecture notes). b. Suppose a manger is interested in reporting the highest cumulative income from the any given point in time. Which method (if any) should the manager adopt? Is ther method(s) the manager should never adont? What if the manager cares only about