The periodic inventory records of Flexon Prosthetics indicate the following for the month of July: July 1 Beginning merchandise inventory 6 units at $ 60 each $370 July 8 Purchase 5 units at $ 67 each $345 July 15 Purchase 10 units at $ 70 each. $710 Jul 26 Purchase 5 units at $ 85 each $435 At July 31, Flexon counts four units of merchandise inventory on hand. a. Compute ending merchandise inventory and cost of goods sold using the FIFO inventory costing method. b. Compute ending merchandise inventory and cost of goods sold using the weighted-average-cost method. **Upload Document required: Excel only** *