Westile Company buys plain ceramic tiles and prints different designs on them for souvenir and gift stores. It buys the tiles from a small company in Europe, so at all times it keeps on hand a stock equal to the tiles needed for three months sales. The tiles cost $0.75 each and must be paid for in cash. The company has 29,000 tiles in stock. Sales estimates, based on contracts received, are as follows for the next six months: January 12,900 February 17,200 March 14,100 April 14,400 May 9,000 June 7,800 Required: Estimate purchases (in units) and cash required to make purchases in January, February, and March.