Month Budgeted Sales January $108,000 February 132,000 March 144,000 April 120,000 Cost of goods sold average 60% of sales. The inventory at December 31 was $19, 440. Desired ending inventory levels are 20% of next month's sales at cost. What is the desired ending inventory value at February 28? $15, 840 $17, 280 $26, 400 $28, 800