ook a. Determine the total amount of upstream costs. 1:. Determine the total amount of downstream cost. c. Determine the total amount of midstream cost cl. Determine the sales price per unit. e. Prepare a GAAP-hased income statement. Complete this question by entering your answer in the tabs below. Req A to D Req E Prepare a GAAP-based income statement. WALTON INC. Income Statement General selling 8: administrative cost