Lee Ltd. has the following units and costs for the month of April.

1. Beginning inventory, April \(1,1,000\) units at \(\$ 20\) (Cost)

2. Purchase (1) April 9, 1,200 units at \(\$ 23\) (cost)

3. Sold 1, April 12, 2,100 units at \(\$ 40\) (Retail)

4. Purchase 2, April 22, 800 units at \(\$ 25\) (Cost)

If Lee uses a periodic inventory system, what is the cost of goods sold under FIFO at April 30?

a. \(\$ 18,000\)

b. \(\$ 22,300\)

c. \(\$ 45,300\)

d. \(\$ 49,600\)