The "Other" Activity Cost Pool Consists of the Costs of Idle

Multiple Choice

The "Other" activity cost pool consists of the costs of idle capacity and organization-sustaining costs. You have been asked to complete the first-stage allocation of the costs to the activity cost pools.
-How much cost,in total,would be allocated in the first-stage allocation to the Customer Support activity cost pool?

A) $180,000.
B) $255,000.
C) $280,000.
D) $330,000.