$800,000 × 40% = $320,000 is the amount required for the production of overhead allocated to the assembling unit cost pool.
Because the activity rates are computed by dividing the total cost for each activity by its total activity & per unit cost is calculated by dividing the total dollars in each activity cost pool by the number of units of the activity cost drivers. the total cost of each activity pool is divided by the total number of units of the activity to determine the cost per unit.
Cost pool is a grouping of individual costs, typically by department or service center.
Cost per unit the amount of money spent by the company during a period for producing a single unit of the particular product or the services of the company.
Determine means to discover the facts about something.
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