Exercise 8-22 s for Monty Enterprises Ltd. Jan 31 Feb. 28 Mar. 31 Apr. 30 $26,100 $25,500 $30,000 $23,500 Inventory at cost Inventory at the lower of cost and net realizable value Purchases for the month Sales for the month 25,100 17,900 23,600 17,600 20,000 24,300 27,200 30,100 34,700 41,200