please give the detail explanation

22,400 mattresses d. G69 THE FOLLOWING INFORMATION APPLIES TO QUESTIONS 16 AND 17. Wallace Company provides the following data for next year: COGS20000-jad AO Month January February March April Budgeted Sales $120,000 720co 108,000 132,000 144,000 The gross profit rate is 40% of sales. Inventory at the end of December is $21,600 and target ending inventory levels are 30% of next month's sales, stated at cost. Purchases budgeted forJanuary total $130,800. b. 16. a. 109000X0 $72,000. $69,840. . $74,160. 49 000 Purchases budgeted for February total $69,120. . 17. a. $60,480. $115,200. . d. $64,800