19. Mammoser Manufacturing Corporation rents out a single building for $8,000 per month and uses it for a number of different purposes. The building space is utilized by the various activities as follows: Receiving and storing raw materials Production operations Sales offices | Administrative offices 5% 70% 15% | 10% How much of the $8,000 monthly rent cost is correctly classified as manufacturing overhead? a. $8,000 b. $5,000 c. $6,000 d. $6,800 e. $7,200