Actual direct labor hours worked:
Standard direct labor hours allowed for production achieved:
Required:
Calculate the following overhead rates based upon expected capacity:
Calculate the following variances:
Variable overhead spending variance
Variable overhead efficiency variance
Fixed overhead spending variance
Fixed overhead volume variance
ANS:
Figure 11-8.
Booth Inc. uses three delivery trucks to transport finished parts from its plant to the plants of its
customers. The delivery trucks are obtained through a 5-year operating lease that costs $12,000 per
year per truck. Booth employs 6 drivers who receive an average salary of $36,000 per year, including
benefits. Parts are placed in boxes and placed in the trucks. Each truck holds 20 boxes. The average
round-trip distance for a delivery is 40 miles. The boxes are retained by the customers. Each box costs
$2.00. Fuel for the trucks costs $1.80 per gallon. A gallon of gas is used every 20 miles. A driver can
travel 160 miles in an eight-hour shift. Each driver works 40 hours per week and 50 weeks per year.
A.
SVOR:
$2.75/DLH
($1.00 + $1.25 + $0.50)
SFOR:
$2.00/DLH
($10,000 + $40,000)/25,000
Total mfg. oh. rate:
$4.75/DLH
($2.75 + $2.00)
B.
Variable overhead spending variance
($20,000 + $30,000 + $12,000) − (24,000 $2.75) = $4,000 F
Variable overhead efficiency variance
(24,000 $2.75) − (27,000 $2.75) = $8,250 F
Fixed overhead spending variance
($51,000 − $50,000) = $1,000 U
Fixed overhead volume variance
[$50,000 − (27,000 $2.00)] = $4,000 F