Dave Company's inventory records for its retail division show the following at March 31: (Click the icon to view the accounting records.) At March 31, 11 of these units are on hand. Read the requirements. Requirement 1. Compute cost of goods sold and ending inventory, using each of the following four inventory methods: average cost per unit to the nearest cent. Round all final answers to the nearest whole dollar.) Data table Requirements \begin{tabular}{lll} \hline Mar 1 & Beginning inventory & 9 units @ $165=$1,485 \\ Mar 15 & Purchase & 5 units @ $166=$830 \\ Mar 26 & Purchase & 13 units @ $175=$2,275 \\ \hline \end{tabular} 1. Compute cost of goods sold and ending inventory, using each of the following methods: a. Specific identification, with seven $165 units and four $175 units still on hand at the end b. Average cost c. FIFO d. LIFO 2. Which method produces the highest cost of goods sold? Which method produces the lowest cost of goods sold? What causes the difference in cost of goods sold