82. Based on the following information, calculate the cost of goods sold and ending inventory using FIFO, LIFO, and weighted average assuming a perpetual inventory system is in place. Beginning Balance - 250 units at $11 March 3-Purchase 400 units for $13 April 4-Sell 200 units for $22 June 30 Purchase 150 units for $14 August 16- Sell 300 units for $24