Party time Inc buys plain mylar ballons and prints diffrent designs on them for variouse occaisions it imports the ballons from Taiwan so at all times it keeps on hand a stock equal to the ballonns needsd for two months'sales the balloons cost $.70 each and must be paid for in cash, the company has 14,000 balloons in stock , sales estimates based on contractes received are as follows for the next six months
- jan       6,200
 
- Feb      8,900
 
- Mar      6,600
 
- Apr       7,100
 
- May      4,800
 
A estimate purchase in units for Jan, Feb, and Mar
B estimat the cash required to make purchase in jan, Feb, and Mar