Production estimates for August for Jay Company are as follows:

Estimated inventory (units), August 1	12,000
Desired inventory (units), August 31	9,000
Expected sales volume (units), August	75,000

For each unit produced, the direct materials requirements are as follows:

Material A ($5 per lb.)	3.0 lbs.
Material B ($18 per lb.)	0.5 lb.

The number of pounds of Materials A and B required for August production is

a.216,000 lbs. of A; 36,000 lbs. of B

b.216,000 lbs. of A; 72,000 lbs. of B

c.234,000 lbs. of A; 39,000 lbs. of B

d.225,000 lbs. of A; 37,500 lbs. of B