5. The cost of direct materials is classified as a: Period cost A) Yes B) C) Yes D) No Product cost Yes No No Yes No 5. The cost of direct materials is classified as a: Period cost A) Yes B) C) Yes D) No Product cost Yes No No Yes No 6. When the activity level declines within the relevant range, what should happen with respect to the following? A) B) C) D) Fixed cost per unit No change Increase Increase No change Variable cost per unit Increase Increase No change No change