Answer:
$2,400 unfavorable
Explanation:
Given that;
Time = 3 hours
Cost of labor = $8 per hour
Number of units = 7,100
Total actual labor cost = $172,800
Standard labor cost = 7,100 × 3 × $8 = $170,400
Total labor cost variance = Standard labor cost - Actual labor cost variance
Total labor cost variance = $170,400 - $172,800
Total labor cost variance = -$2,400
The negative sign here means that it is unfavorable, hence total labor cost variance is $2,400 unfavorable