Answer:
d. $18,900 unfavorable.
Step-by-step explanation:
Direct labor efficiency variance = SR*(SH-AH)
18000 = SR*(63000-61500)
18000 = 1500 SR
SR = $12
Total standard direct labor cost for February = 63000*12= $756,000
Direct labor flexible-budget variance = $774,900 - $756,000 = $18900 Unfavorable