World Airlines has three service departments: (1) ticketing, (2) baggage handling, and (3) engine maintenance. The service department costs are estimated for separate cost pools formed by department and are allocated to two revenue-producing departments: (1) domestic flights and (2) international fights. World does not differentiate between fixed and variable costs in making allocations. The following data relate to the allocations:

Required
a. Allocate the service department costs to the revenue-producing departments using air miles as the allocation base.
b. Evaluate the cause-and-effect relationship resulting from the use of air miles as the allocation base. In which of the cost pools do you think the cause-and-effect relationship is the strongest? Suggest alternative allocation bases for the two remaining cost pools with the weakest cause-and-effectrelationship.

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Budgeted Data Air Miles Ticketing Baggage handling Engine maintenance Domestic flights International flights Costs $5,000,000 $3,000,000 $7,000,000 6,000,000 24,000,000