A tsunami destroyed Toshiaki Company's warehouse and all of its inventory. Toshiaki's prior-year balance sheet reported ending inventory totaling $5,295. Toshiaki's management believes that last year's gross profit percentage is a good estimate of the gross profit in the current year. Toshiaki's sales last year were $40,800 and its cost of goods sold was $20,400. Before the tsunami, Toshiaki's net sales were $28,700, and Toshiaki purchased $14,599 of inventory. Of the inventory purchased, $395 had not yet been delivered to Toshiaki. 9. Read the requirements. Requirement a. Use the gross profit method to determine Toshiaki's historical gross profit percentage. ldentify the appropriate formula and then calculate Toshiaki's historical gross profit percentage. (Round the gross profit percentage to one decimal place, X.X%.) (1) Gross profit % Requirement b. Use the gross profit method to determine Toshiaki's estimated cost of goods sold. Identify the appropriate formula and then calculate Toshiaki'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.) (2) Estimated cost of goods sold = Requirement c. Use the gross profit method to determine Toshiaki's estimated gross profit. Identify the appropriate formula and then calculate Toshiaki's estimated gross profit for the current year. (3) Estimated gross profit = Requirement d. Use the gross profit method to determine Toshiaki's estimated ending inventory. Identify the appropriate formula and then calculate Toshiaki's estimated ending inventory. (4) Estimated ending inventory 1: Requirements Round percentages to one decimal place. Use the gross profit method to determine the following: a. What is Toshiaki's historical gross profit percentage? b. What is Toshiaki's estimated cost of goods sold? c. What is Toshiaki's estimated gross profit? d. What is Toshiaki's estimated ending inventory