Championship Sporting Goods started March with an inventory of 9 sets of golf clubs that cost a total of $1,350. During March, Championship purchased 27 sets of clubs for $4,320. At the end of the month, Championship had 8 sets of golf clubs on hand. The store manager must select an inventory costing method, and he asks you to tell him both cost of goods sold and ending inventory under these three accounting methods:
a. Average cost (round average unit cost to the nearest cent)
b. FIFO
c. LIFO