Answer:
rate variance = 660 U
efficiency variance = 3,960 U
Step-by-step explanation:
std rate $19.80
actual rate $19.90
actual hours 6,600
difference $(0.10)
Each hour cost 10 cent more than expected. This variance will be unfavorable
0.10 extra per hour times 6,600
rate variance $(660.00)
std hours 6400.00
actual hours 6600.00
std rate $19.80
difference -200.00
For the unit output, the actual hours were more than expected. This variance will be unfavorable.
200 extra hours times 19.8 each
efficiency variance $(3,960.00)