Cost of production and journal entries Instructions Chart of
Solution
Work in Process—Casting Department
378,000
Materials—Alloy
378,000
a. 1.
Work in Process—Casting Department
54,520
Wages Payable
21,808
Factory Overhead*
32,712
2.
* $21,808 × 150%
Work in Process—Machining Department*
438,712
Work in Process—Casting Department
438,712
3.
* Supporting calculations:
Cost of 2,840 transferred-out pounds:
Inventory in process, May 1…………………………………………………………… $ 33,792
Cost to complete May 1 inventory:
96 pounds × $20/lb. (see calculations below)……………………………………… 1,920
Pounds started and completed in May
[2,600 lbs. × ($135 + $20)]…………………………………………………………… 403,000
Transferred to Machining Department……………………………………………… $438,712
Supporting equivalent unit and cost per equivalent unit calculations:
Whole Units
Equivalent Units
Materials
Conversion
Inventory in process, May 1
(60% completed)
240
0
961
Started and completed in May
2,6002
2,600
2,600
Transferred to Machining Department
in May
2,840
2,600
2,696
Inventory in process, May 31
(15% completed)
2003
200
304
Total
3,040
2,800
2,726
1 240 units × (1 – 60%)
2 2,840 units – 240 units
3 240 units + 2,800 units – 2,840 units
4 200 units × 15%
Cost per equivalent unit of materials: Cost per equivalent unit of conversion:
$378,000
2,800
$54,520
2,726
= $135 per pound
= $20 per pound
b. $27,600; determined as follows:
Direct materials (200 × $135)……………………………… $27,000
Conversion (200 × 15% × $20)…………………………… 600
$27,600
c.
Materials:
From current period................................................... $135
From beginning inventory......................................... 130
Increase................................................................ ....... $ 5
Conversion:
From current period................................................... $ 20
From beginning inventory......................................... 18
Increase....................................................................... $ 2
The cost per equivalent unit of materials increased by $5 per pound, and the cost per equivalent unit of conversion cost increased by $2 per pound. Management may wish to investigate the causes for these increases in cost.
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