Answer:
6,000 Hours
Step-by-step explanation:
Variable overhead efficiency variance = 20,000 U
(SH - AH) * SVR = - 20,000
Actual hours = Standard hours + 20% = 1.20*SH
(SH - (1.20SH) * 20 = - 20,000
-0.20 SH = -20,000/20
-0.20 SH = -1,000
SH = 5,000 Hours
Actual hours = 1.20 * 5,000 Hours
Actual hours = 6,000 Hours