Answer:
Total labor variance $3380 unfavorable
labor price variance = = $1200 unfavorable
labor quantity variance = $2680 unfavorable
total overhead variance = $1000 favorable
Explanation:
Total labor variance = standard cost - actual cost
= 2000*1.90*13.40 - 4000*13.70
= $3380 unfavorable
labor price variance = (standard cost/hour -actual cost/hour) *actual hours
= (13.40 -13.70) *4000
= $1200 unfavorable
labor quantity variance = (standard hour - actual hour) * standard rate per hour
= (2000*1.90 - 4000) *$13.40
= $2680 unfavorable
b) total overhead variance = 2000*1.9*22 - 82600
= $1000 favorable