Deng Corporation manufactures two styles of lamps Bedford Lamp and Lowell Lamp. The following per unit data are available:

	Bedford Lamp	Lowell Lamp
Sales price	$30	$35
Variable costs	$18	$23
Machine hours required for one lamp	2	4

Total fixed costs are $50,000. Machine hour capacity is 30,000 hours per year. Assuming that the company can sell as many products as it can make, which product mix would deliver the highest operating income?

a	7500 Bedford Lamps and 15,000 Lowell Lamps
b	0 Bedford Lamps and 7500 Lowell Lamps
c	15,000 Bedford Lamps and 0 Lowell Lamps
d	15,000 Bedford Lamps and 15,000 Lowell Lamps