Content Area Production estimates for July for Starling Co. are as follows: Estimated inventory (units), July 1 8,500 Desired inventory (units), July 31 10,500 Expected sales volume (units), July 76,000 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 July production is a. 216,000 lbs. of A; 36,000 lbs. of B b. 234,000 lbs. of A; 39,000 lbs. of B c. 216,000 lbs. of A; 72,000 lbs. of B d. 225,000 lbs. of A; 37,500 lbs. of B