Sit-Down Ltd manufactures chairs. Each chair requires 425 grams of plastic costing $0.34
per 10 grams. Sit-Down uses the plastic to cover the chairs. Sit-Down has budgeted
production of chairs for the next four months as follows:
			Units
	March		3,500
	April		4,400
	May		4,900
	June		6,300
Inventory policy requires that sufficent plastic be in ending monthly inventory to satisfy
20 percent of the following month's production needs. The inventory of plastic at the
beginning of March equals exactly the amount needed to satisfy the inventory policy.

The total materials to be purchased (grams) for March, April and May is

	a.	5,440,000
	b.	5,678,000
	c.	5,990,000
	d.	5,100,000