3 pts Question 21 Assume that the production supervisor makes $5,000 a month in salary and has kept track of his time spent supervising four activity cost pools: 25 hours for Machining, 100 hours for Preparation and Setup, 100 hours for Quality Control, and 25 hours for Finishing. The number of hours spent on each activity cost pool is used to allocate the supervisor's salary. How much should be allocated to the Preparation and Setup activity cost pool? Type your answer in the blank below. Numbers only without dollar signs. 3