Ferreira Company has established the following cost pools for 2015.

COMMITTED

COST POOLS COSTS COST DRIVERS LEVEL

Maintenance $ 20,000 Machine hours 10,000

Materials handling 25,000 Number of moves 250

Machine setup 30,000 Setup hours 1,000

Inspection 25,000 Number of inspections 500

Total $100,000

The following information pertains to two representative jobs completed during January 2015.

ITEM J101 J102

Direct materials cost $ 10,000 $ 7,500

Direct labor cost $ 8,000 $ 5,500

Number of units 2,000 1,500

Direct labor hours 640 400

Machine hours 700 650

Number of material moves 40 15

Number of setup hours 80 40

Number of inspections 35 15

Required:

Determine the unit cost of each job using machine hours to allocate all support costs.

Determine the unit cost of each job using activity-based costing.

Which of the two methods produces more accurate estimates of job costs? Explain.