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? Earth Wind Fire a) $135,000 $240,000 $345,000 Ob) $240,000 $240,000 $240,000 Oc) $150,000 $112,500 $337,500 d) $180,000 $135,000 $405,000