Given the following: Number purchased 52 72 62 67 253 Cost per unit $4 7 January 1 inventory April 1 June 1 November 1 Total $ 208 584 496 9 693 $1,811 a. Calculate the cost of ending inventory using the FIFO (ending inventory shows 73 units). Cost of ending inventory b. Calculate the cost of goods sold using the FIFO (ending inventory shows 73 units). Cost of goods sold