Final answer:
A. The Direct Labor rate variance is $6,000 unfavorable. B. The Direct Labor usage variance is $7,200 unfavorable. C. The Total Direct labor cost variance is $4,100 unfavorable.
Step-by-step explanation:
A. Calculate the Direct Labor rate variance:
The standard labor cost per unit is $12.00 per hour, and the actual labor cost per unit is $12.15 per hour. The standard labor hours for 10,000 units of Product DD is 40,000 hours (10,000 units x 4 hours per unit). The actual labor hours incurred is 40,600 hours.
The formula for calculating the Direct Labor rate variance is:
Direct Labor rate variance = (Actual labor rate - Standard labor rate) x Standard labor hours
Plugging in the values:
Direct Labor rate variance = ($12.15 - $12.00) x 40,000 = $6,000
Therefore, the Direct Labor rate variance is $6,000 unfavorable.
B. Calculate the Direct Labor usage variance:
The standard labor hours for 10,000 units of Product DD is 40,000 hours (10,000 units x 4 hours per unit). The actual labor hours incurred is 40,600 hours.
The formula for calculating the Direct Labor usage variance is:
Direct Labor usage variance = (Actual labor hours - Standard labor hours) x Standard labor rate
Plugging in the values:
Direct Labor usage variance = (40,600 - 40,000) x $12.00 = $7,200
Therefore, the Direct Labor usage variance is $7,200 unfavorable.
C. Calculate the Total Direct labor cost variance:
The formula for calculating the Total Direct labor cost variance is:
Total Direct labor cost variance = (Actual labor cost - Standard labor cost)
Plugging in the values:
Total Direct labor cost variance = (40,600 x $12.15 - 40,000 x $12.00) = $4,100
Therefore, the Total Direct labor cost variance is $4,100 unfavorable.