Problem 6-3A (Part Level Submission) Marigold Corp. had a beginning inventory on January 1 of 90 units of Product 4-18-15 at a cost of $20 per unit. During the year, the following purchases were made Mar. 15 240 units at$23 Sept. 4 210 units at $26 July 20 150 units at $24 Dec. 2 60 units at $29 600 units were sold. Marigold Corp. uses a periodic inventory system (a Determine the cost of goods available for sale The cost of goods available for sale