Dobler Company uses a periodic inventory system. Details for the inventory account for the month of January 2022 are as follows:

Units Per unit price Total

Beginning inventory, 1/1/22 200 $5.00 $1,000

Purchase, 1/15/22 100 5.30 530

Purchase, 1/28/22 100 5.50 550

During the month, Dobler sold 140 units for $2,800.

Assume the company uses FIFO.

1. Ending inventory

2. Cost of goods sold

3. Gross profit