Scoresby Inc. uses a perpetual inventory system. At December 31, 2021, the company's accounting records provided the following information for Product B: Transactions a. Inventory, December 31, 2020 For the year 2021: b. Purchase, March 5 Units 7,000 Unit Cost $ 8 19,000 9 c. Sale, June 15 ($29 each) 10,000 d. Purchase, September 19 8,000 11 e. Sale, November 20 ($31 each) 16,000 f. Operating expenses (excluding income tax expense), $500,000 Required: 1. Prepare a statement of earnings for 2021 through pretax earnings, showing the detailed computation of cost of sales for two cases: a. Case A-FIFO b. Case B-Weighted average (Round intermediate calculations to 2 decimal place.) Cost of sales: SCORESBY INC. Statement of Earnings For the Year Ended December 31, 2021 Case A FIFO Case B Weighted Average