Richard's Televisions produces television sets in three categories: portable, midsize, and flat-screen. On January 1, 2020, Richard adopted dollar-value LIFO and decided to use a single inventory pool. The company's January 1 inventory consists of: Category Quantity Cost per Unit Total Cost Portable 7,200 $100 $720,000 Midsize 9,600 250 2,400,000 Flat-screen 3,600 400 1,440,000 20,400 $4,560,000 During 2020, the company had the following purchases and sales. Category Quantity Purchased Cost per Unit Quantity Sold Selling Price per Unit Portable 18,000 $110 16,800 $150 Midsize 24,000 300 28,800 400 Flat-screen 12,000 500 7,200 600 54,000 52,800