In: Accounting
The standard costs and actual costs for factory overhead for the manufacture of 2,800 units of actual production are as follows:
Standard Costs | |
Fixed overhead (based on 10,000 hours) | 3 hours per unit at $0.74 per hour |
Variable overhead | 3 hours per unit at $2.06 per hour |
Actual Costs | |
Total variable cost, $17,900 | |
Total fixed cost, $7,800 |
The total factory overhead cost variance is
a.$1,780 favorable
b.$2,964 favorable
c.$596 unfavorable
d.$1,780 unfavorable
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Ans:
Total factory overhead cost variance is: d. $1,780 unfavourable
Workings:
Total factory overhead cost variance = fixed factory overhead variance (i) + variable factory overhead variance (ii)
= $1,184 unfavourable + $596 unfavourable
= $1,780 unfavourable.
(i) Calculation of fixed factory overhead variance:
formula = standard fixed overhead rate per hour x (standard hour for actual output - budgeted hour)
= $.74 x [(2800 x 3) - 10,000]
= $.74 x (1,600)
= $1,184 unfavourable
(ii) Calculation of variable factory overhead variance:
formula = standard variable cost - actual variable cost
= (2,800 unit x 3 hour per unit x $2.06 per hour) - $17,900
= $17,304 - $17,900
=$596 unfavourable
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