1) Castle TV, Incorporated purchased 2,900 monitors on January 5 at a per-unit cost of $231, and another 2,900 units on January 31 at a per-unit cost of $306. In the period from February 1 through year-end, the company sold 5,300 units of this product. At year-end, 500 units remained in inventory.

2)Castle TV, Incorporated purchased 1,300 monitors on January 5 at a per-unit cost of $119, and another 1,300 units on January 31 at a per-unit cost of $242. In the period from February 1 through year-end, the company sold 2,310 units of this product. At year-end, 290 units remained in inventory.