Budgeted manufacturing overhead divided by the budgeted quantity of the allocation base:
Machining Department overhead:
$1,500,000
30,000
= $50 per machine-hour
Assembly Department overhead:
$5,100,000
$3,000,000
= 170% of direct manuf. labor costs
2.
Machining department overhead allocated, 2,800 hours
$50
$140,000
Assembly department overhead allocated, 170%
$19,000
32,300
Total manufacturing overhead allocated to Job 494
$172,300
3.
Machining Dept.
Assembly Dept.
Actual manufacturing overhead
$1,800,000
$ 5,300,000
Manufacturing overhead allocated,
$50
33,000 machine-hours
1,650,000
—
170%
$3,200,000
—
5,440,000
Underallocated (Overallocated)
$
150,000
$
(140,000
)
4-14