Dave's Powersports uses the average const inventory method Dave's Powersports december wits that cost $55 each. On December 19, Dave's Pewports bought 15 helmets at 57 cach. On December Dave's Powersports sold 12 helmets Prepare a perpetual inventory record for the average cost method. Round average the cont and all other amounts to the nearest dollar fitart by entering the opening inventory balance Enter the transactions in chronological order calculating new inventory on hand balances after each transaction. Once all of the transactions have been entered into the perpetual recent calculate the quantity and total cost of inventory purchased, sold and on hand at the end of the period (bound average per set to the nearest cent and all other amounts to the nearest dollar) Avg Cost Purchases Unit Cost of goods sold ventory on hand Total Total Unit Total Date Gry Cont Cost Ory Cost Cost Ory Cost Cost Dec Total 19 29