Given the following: January 1 inventory April 1 June 1 November 1 Number purchased 51 71 61 66 249 Cost per unit $3 6 7 8 Total $ 153 426 427 528 $1,534 a. Calculate the cost of ending inventory using the weighted-average method (ending inventory shows 72 units). (Do not round Intermediate calculations. Round your final answer to the nearest cent.) Cost of ending inventory b. Calculate the cost of goods sold using the weighted-average method. (Use your rounded answer from Part a. Round your final answer to the nearest cent.) Cost of goods sold