(Ch4) Sleep Tight Company manufactures pillows using an activity-based costing system to allocate all manufacturing conversion costs. For the month of June, the Assembling activity has its estimated Activity Costs of $13,860 with estimated Allocation Base of 4,200 parts. Each pillow consists of 4 parts; the total direct materials cost per pillow is $3.50. What is the total cost of assembling activity for each pillow? (rounded)

Select one:

a. All listed choices are incorrect.

b. $3.30

c. $13.20

d. $6.65