22 (10 pts.) Joe Coffee Equipment sells European style coffee makers and uses a perpetual inventory system. Its inventory records show that on June 1, Joe Coffee had 12 units on hand at a cost of $ 220 each. Transactions related to purchase and sale of coffee makers in June were as follows: Per unit Date Transaction Units Cost Sales price June 10 Sale 3 $ 510 June 15 Sale 4 $ 510 June 20 Purchase 5 $ 230 June 22 Purchase 6 $ 240 June 30 Sale 10 $ 500 BI Instructions For each of the following cost formulas, calculate the ending inventory as at June 30 and the cost of goods sold for the month of June. Please show all work and also prove the cost of goods sold calculations. a) b) Weighted Average (Round to the nearest cent) FIFO