6. PROBLEM SOLVING: Using the information given below, calculate the ending inventory using the LIFO method. (20 POINTS) January 1: Purchased 200 units at $10 per unit. 5: Purchased 120 units at $12 per unit 6: Sold 280 units at $16 per unit 7: Purchased 100 units at $14 8: Sold 110 units at $18 per unit 8: Purchased 150 units at $16 9: Purchased 200 units at $15 16: Sold 300 units at $20 per unit 17: Sold 50 units at $22 per unit 20: Purchased 120 at $25 per unit (20 Points) Enter your