# Question

Calculating the Direct Labor Rate Variance and the Direct Labor Efficiency Variance Refer to Cornerstone Exercise 9.1. Guillermo’s Oil and Lube Company provided the following information for the production of oil changes during the month of June:
Actual number of oil changes performed: 980
Actual number of direct labor hours worked: 386 hours
Actual rate paid per direct labor hour: \$14.50
Standard rate per direct labor hour: \$14.00
Required:
1. Calculate the direct labor rate variance (LRV) and the direct labor efficiency variance (LEV) for June using the formula approach.
2. Calculate the direct labor rate variance (LRV) and the direct labor efficiency variance (LEV) for June using the graphical approach.
3. Calculate the total direct labor variance for oil changes for June.
4. What if the actual wage rate paid in June was \$12.40? What impact would that have had on the direct labor rate variance (LRV)? On the direct labor efficiency variance (LEV)?

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