Castle TV, Incorporated purchased 2,000 monitors on January 5 at a per-unit cost of $168, and another 2,000 units on January 31 at a per-unit cost of $270. In the period from February 1 through year-end, the company sold 3,650 units of this product. At year-end, 350 units remained in inventory.

Assume that Castle TV, Incorporated uses the FIFO flow assumption. The cost of the 350 units in inventory at year-end is: