Stronghold, Inc., operates a brochure business at two different locations. Stronghold, Inc., has one support department that is responsible for cleaning, service, and maintenance of its printing equipment. The costs of the support department are allocated to each brochure center on the basis of total brochures made. During the first month, the costs of the support department were expected to be $400,000. Of this amount, $120,000 is considered a fixed cost. During the month, the support department incurred actual variable costs of $256,000 and actual fixed costs of $144,000. Normal and actual activity (brochures made) are as follows: Brochure Center 1 Brochure Center 2 Normal activity (brochures) 1,200,000 800,000 Actual activity (brochures) 1,000,000 880,000 Support department costs NOT allocated to the two brochure centers are: a. $16,800. b. $44,000. c. $19,680. d. $8,000.