Friar Company uses a perpetual inventory system. Data for the last four months of purchases follow: Date Number of Units Unit Price September 28 70 $ 10 November 15 55 16 On October 1, Friar sold 50 units, and on December 6, 20 more units. * When typing your responses, do NOT include a dollar sign. For example, if your answer is $10,000, you should be typing 10,000 or 10,000.00 without any dollar sign. Compute the cost of goods sold using (a) FIFO, (b) LIFO, and (c) weighted average. (Round weighted- average per unit to 3 decimal places, e.g. 12.521 and final answer to 0 decimal places, e.g. 1,250.) Cost of Goods Sold FIFO $ $ LIFO $ $ Weighted-Average $ $