Pl show the calculations.

On August 1, Shead Corporation had $33,700 of raw materials on hand. During the month, the company purchased an additional $75,800 of raw materials. During August, $79,000 of raw materials were requisitioned from the storeroom for use in production. These raw materials included both direct and indirect materials. The indirect materials totaled $4,000. Prepare journal entries to record these events. Use those journal entries to answer the following questions: The credits to the Raw Materials account for the month of August total:

a. $75,800

b. $109,500

c. $75,000

d. $79,000

Which is correct?