Rascal Company plans to produce 100,000 toy fire trucks during July.

Planned production for August is 150,000 trucks. Sales are forecasted

at 90,000 trucks for July and 110,000 trucks for August. Each truck has eight wheels. Rascal's policy is to maintain S percent of the next month's production in inventory at the end of a month. How many wheels should Rascal purchase during July?

(A) 860,000

(B) 820,000

(C) 810,000

(D) 780,000

please show calculations . Tks