i have already answered part a i just need help on part B

Carla Vista Novelty had a beginning inventory balance on July 1 of 450 units at a cost of $2.90 each. During the month, the following inventory transactions took place: (a) Your answer is correct. Calculate the cost of goods available for sale and the number of units of ending inventory. Cost of goods available for sale $ Number of units of ending inventory units Assume Carla Vista uses FIFO periodic. Calculate the cost of ending inventory, cost of goods sold, and gross profit. Ending inventory $ Cost of goods sold $ Gross profit $