Beginning inventory, purchases and sales data for tennis rackets are as follows: $25 $27 @ Apr 3 11 14 21 25 Inventory Purchase Sale Purchase Sale 12 units 13 units 18 units 9 units 10 units @ $30 Assuming the business maintains a perpetual inventory system, calculate the cost of merchandise sold and ending inventory under Last-in, first-out: cost of merchandise sold $771; ending inventory $150 cost of merchandise sold $120; ending inventory $621 cost of merchandise sold $621; ending inventory $145 cost of merchandise sold $150; ending inventory $771 NON O A 21 MacBook Pro