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Tutorial Job Costing CA

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Example 1

DM 3,500
DL AQ x AP 160 x 20 3,200
MOH AQ x AP 160 x 32 5,120
Total manufacturing cost 11,820

Actual MOH rate


= Actual MOH/Actual quantity of cost allocation base
= 992,000/31,000
32 per DLH

Example 2
DM 3,500
DL AQ x AP 160 x 20 3,200
MOH AQ x SP 160 x 30 4,800
Total manufacturing cost 11,500

Budgeted MOH rate


= Budgeted MOH/Budgeted quantity of cost allocation base
= 960,000/32,000
30

Example 3
a) Usage of direct and indirect materials
WIP control 60,000
Materials control 60,000

MOH control 3,000


Materials control 3,000

b) manufacturing labor incurred


WIP control 54,000
Cash control - direct labor 54,000

c) manufacturing overhead cost incurred


MOH control 76,000
Cash control - Supervision and engineering salaries
Cash control - Plant utilities
Accumulated depreciation - Plant

d) allocation of manufacturing overhead costs


WIP control 81,000
MOH allocated 81,000
AQ x AP 2700 x 30
e) cost of jobs completed and transferred to finished goods
F/G control 180,000
WIP control 180,000

f) cost of goods sold


COGS 175,000
F/G control 175,000

Before After
WIP 195,000 15,000
F/G 180,000 5,000
COGS 175,000

MOH control 79,000


Moh allocated 81,000

Example 4
MOH allocated Percentage
WIP 14,400 1.50% 480
F/G 24,000 2.50% 800
COGS 921,600 96.00% 30,720
960,000

Actual MOH 992,000


Budgeted MOH 960,000
Underallocated 32,000

Proration method
WIP control 480
F/G control 800
COGS 30,720
MOH allocated 960,000
MOH control 992,000

Write off to COGS


COGS 32,000
MOH allocated 960,000
MOH control 992,000
50,000
10,000
16,000
1)

2) Budgeted MOH rate for machining department


= Budgeted MOH/Budgeted quantity of cost allocation base
= 9,065,000/185,000
49 per MH

Budgeted MOH rate for finishing department


= Budgeted MOH/Budgeted quantity of cost allocation base
2.02 x DL cost

3) Machining Finishing
AQ x SP AQ x SP
= 140 x 49 = 1,250 x 2,02
6,860 2,525 9,385 --> Total MOH allocated

4) Machining Finishing Total


DM 13,000 5,000 18,000
DL 900 1,250 2,150
MOH 6,860 2,525 9,385
29,535
Cost per unit 98.45

5) Machining Finishing Total


Actual MOH 10,000,000 7,982,000
Budgeted MOH 9,800,000 8,282,000
Under(over)allocated 200,000 (300,000) (100,000)

AQ x SP

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