Keira’s Sports uses the (perpetual) LIFO inventory method. Keira’s Sports started December with 9 helmets that cost $56 each. On December 19, Keira’s Sports bought 16 helmets at $51 each. On December 28, Keira’s Sports sold 11 helmets.
1. The December 19 purchase of inventory was on account.
2. The December 28 sale of inventory was on account. Keira’s Sports sold each helmet for $100.

Prepare the required journal entries for the purchase and sale of inventory.