Nector Ltd., which uses a perpetual inventory system, recorded the following inventory transactions for this year: Purchases Sales Units Unit Cost Units Selling Price/Unit Apr 1 Purchase 35 $8 25 Purchase 150 9 May 4 Purchase 16 Sale 65 10 90 $15 Jun 4 Purchase 50 12 Instructions (a) Using the FIFO cost method, calculate the cost of goods sold for the quarter ended June 30. (b) Using the FIFO cost method, the ending inventory at June 30. (c) Using the average cost method, calculate the ending inventory at June 30. Use unrounded numbers in your calculations but round to the nearest cent (2 decimals) for presentation purposes in your answer.