Sabre Company buys tiles and prints different designs on them for souvenir and gift stores. The company keeps on hand a stock equal to 25% of the next month's sales. The tiles cost $3 and are eventually sold for $12 each. The company has 3,100 tiles in stock at the start of the year (Jan. 1). Sabre pays its suppliers 80% of purchases in the month of purchase, and 20% in the month following the purchase. Sales estimates (in units) for the next four months follow below. January 12,400 February 17,800 March 13,200 April 14,200 Determine cash disbursements for purchases for the months of February and March. Determine the ending inventory and accounts payable balances as of March 31.