1. Bnh nh's inventory, purchases, and sales for March and April follow. The company closes its books at the end of each month. It uses the perpetual inventory system. March 1 Beginning Inventory 160 Units at $49 10 Purchase 100 Units at $52 Ending Inventory (70 +STT) Units April 31 4 15 23 25 30 Purchase Purchase Sale Purchase Ending inventory 120 Units at $53 50 Units at $54 200 Units 100 Units $55 ??? Required: a. Compute the cost of the ending inventory on March 31 and April 30 using the average-cost method. In addition, determine cost of goods sold for March and April. (Round unit costs to the nearest cent.) (0.5 marks) b. Compute the cost of the ending inventory on March 31 and April 30 using the FIFO method. Determine cost of goods sold for March and April. (0.5 marks). c. What are relationships between the cost of goods sold and net income as well as between the cost of goods sold and the ending inventory? (0.5 marks)