The Auto Supply manufactures memory cards that sell to wholesalers for $2.00 each. Variable and fixed costs are as follows:

Variable Costs per card:			Fixed Costs per Month:
			Factory overhead	$7,000
Direct materials	$0.30		Selling and admin.	3,000
Direct labor	0.25
Factory overhead	0.25
total	$0.80
Selling and admin.	0.15
Total	$0.95		Total	$10,000

 Required

a) Prepare an income statement of contributions corresponding to the month of October. 

b) Determine Auto Supply's monthly breakeven point in units. 

c) Determine the effect on monthly profit of an increase of 1,000 units in monthly sales.