Craigco uses job costing for its product costing. They use direct labor hours as a cost driver. They expect overhead for the next month to be $12,000. They expect to have 550 direct labour hours over the next month. Craigco pays an average of $25.50 per labour hour.
a) What is Craigco’s predetermined manufacturing overhead rate?
b) Calculate the manufacturing overhead to be allocated to job #1315 that used 105 direct labour hours.
c) Assuming job #1315 used $5,000 in materials, what is total cost of job #1315
. d) Assuming 150 units were produced in job #1315, what is the cost per unit.
e) At the end of the month, overhead costs were $14,000 and direct labour hours were 550. Was manufacturing overhead over-allocated or under allocated? By how much?
f) At the end of the month, overhead costs were $10,000 and direct labour hours were 550. Was manufacturing overhead over-allocated or under allocated? By how much?
g) At the end of the month, overhead costs were $12,000 and direct labour hours were 500. Was manufacturing overhead over-allocated or under allocated? By how much?
h) At the end of the month, overhead costs were $12,000 and direct labour hours were 650. Was manufacturing overhead over-allocated or under allocated? By how much?
i) At the end of the month, overhead costs were $11,000 and direct labour hours were 500. Was manufacturing overhead over-allocated or under allocated? By how much?
j) At the end of the month, overhead costs were $14,000 and direct labour hours were 675. Was manufacturing overhead over-allocated or under allocated? By how much?
A) predetermined manufacturing overhead rate= EXPECTED OVERHEAD /DIRECT LABOUR HOURS
=12000/550 = $21.82
b) the manufacturing overhead to be allocated to job #1315 that used 105 direct labour hours.=
=predetermined manufacturing overhead rate * DLH
= 21.82 * 105 =$ 2291.1
C) total cost of job #1315= Direct material + direct labour + manufacturing overhead
= 5000+(105*25.5)+(21.82*105)
=5000+ 2677.5 +2291.1 = $ 9968.6
d) Assuming 150 units were produced in job #1315, what is the cost per unit.
=total cost /number of units
=9968.6 / 150 = $ 66.46
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