SPI-K has the following information for its inventory, purchases and sales for the recent year-end. The company uses the perpetual inventory system Activity Units Purchase Price (per unit) Sale Price (per unit) Beginning Inv. 110 $5.90 Purchase May 14 575 $6.00 Sale 380 $8.80 Sale 225 $9.00 Purchase July 10 680 $6.20 Sale 270 $9.00 Sale 290 $9.50 Purchase Aug 15 230 $6.3 Sale 240 $9.90 Required: 1. Calculate the cost of ending inventory and cost of goods sold using the FIFO method. (10 marks) 2. Calculate the cost of ending inventory and cost of goods sold using the weighted average method. (10 marks)