O Debit Merchandise Inventory $1,800; credit Sales Returns $200; credit Cash $1,600. Question 18 3 pts A company has inventory of 15 units at a cost of $12 each on August 1. On August 5, they purchased 10 units at $13 per unit. On August 12, they purchased 20 units at $14 per unit. On August 15, they sold 30 units. Using the FIFO periodic inventory method, what is the value of the ending inventory at August 15 after the sale? O $210 O $140 O $590 O $160 Question 19 3 pts