A tsunami destroyed Sakutaro Company's warehouse and all of its inventory. Sakutaro's prior-year balance sheet reported ending inventory totaling $3,958. Sakutaro's management believes that last year's gross profit percentage is a good estimate of the gross profit in the current year. Sakutaro's sales last year were 547,500 and its cost of goods sold was $19,000. Before the tsunami, Sakutaro's net sales were $26,500, and Sakutaro purchased $19,503 of inventory. Of the inventory purchased, $293 had not yet been delivered to Sakutaro. Read the requirements Requirement a. Use the gross profit method to determine Sakutaro's historical gross profit percentage. Identify the appropriate formula and then calculate Sakutaro's historical gross profit percentage. (Round the gross profit percentage to one decimal place, XX%.) Gross profit % (Prior year net sales - Prior year cost of goods sold) = Prior year net sales % Requirement b. Use the gross profit method to determine Sakutaro's estimated cost of goods sold. Identify the appropriate formula and then calculate Sakutaro's estimated cost of goods sold for the current year. (Round any interim percentage calculations to one decimal place, X.X%. Round the final estimated cost of goods sold amount that you enter into the table below to the nearest whole dollar.) Estimated cost of goods sold = = Requirement c. Use the gross profit method to determine Sakutaro's estimated gross profit. Identify the appropriate formula and then calculate Sakutaro's estimated gross profit for the current year. Estimated gross profit Requirement d. Use the gross profit method to determine Sakutaro's estimated ending inventory Identify the appropriate formula and then calculate Sakutaro's estimated ending inventory. Estimated ending inventory =