Question 3. Amsterdam Company uses a periodic inventory system. For April, when the company sold 600 units, the following information is available. 1. Compute the April 30 inventory and the April cost of goods sold using the average-cost method. 2. Compute the April 30 inventory and the April cost of goods sold using the FIFO method. 3. Journalize sales, assuming the company records sales once a month using FIFO