Kenney Company Uses Activity-Based Costing to Account for Its Manufacturing

Kenney Company uses activity-based costing to account for its manufacturing process. Kenney Company produces tires, and each tire has $.50 of direct materials, includes 20 parts and requires 2 hours of machine time. There is no direct labor. Additional information follows:
$\begin{array}{|l|l|r|}\hline\text { Activity }&\text { Allocation Base }&\text { Cost Allocation Rate }\\\hline \text { Materials handling } & \text { Number of parts } & \$ .16\\\hline \text { Machining } & \text { Machine hours } & \$ 14.40 \\\hline \text { Assembling } & \text { Number of parts } & \$ .70\\\hline \text { Packaging } & \text { Number of finished units } & \$ 5.40\\\hline\end{array}$


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What is the cost of assembling per tire?

A) $15.40
B) $7.00
C) $14.00
D) $28.00