Castle TV, Incorporated purchased 1,400 monitors on January 5 at a per-unit cost of $126, and another 1,400 units on January 31 at a per-unit cost of $246. In the period from February 1 through year-end, the company sold 2,500 units of this product. At year-end. 300 units remained in inventory Assume that the replacement cost of this monitor at year-end is $240 per unit. Using the first-in, first-out (FIFO) flow assumption and the lower-of-cost-or-market rule. Castle TV should write down the carrying value of this inventory by: Multiple Choice o $2,700 O $0. O $900. O $1,800