Wallace Computer Company Produces Three Products: Earth, Wind, and Fire

Wallace Computer Company produces three products: Earth, Wind, and Fire.Earth requires 80 machine setups, Wind requires 60 setups, and Fire requires 180 setups.Wallace has identified an activity cost pool with allocated overhead of $720,000 for which the cost driver is machine setups.How much overhead is assigned to each product? $\begin{array}{llll}&\text { Earth}&\text {Wind }&\text {Fire }\\\text { a. } & \$ 240,000 & \$ 240,000 & \$ 240,000 \\\text { b. } & \$ 150,000 & \$ 112,500 & \$ 337,500 \\\text { c. } & \$ 180,000 & \$ 135,000 & \$ 405,000 \\\text { d. } & \$ 135,000 & \$ 240,000 & \$ 345,000\end{array}$