1. Standard price = 1900 U
2. Labour Efficiency Variance = $1300 F
Explanation:
1) Direct Material Price Variance = (Standard Price minus Actual Price) into Actual quantity
Here all the materials purchased has been used for production
Threfore,
Material Price Variance = (1.90 minus 1.70) into 20500 = $4100 F
Material Quanitity Variance
= (Standard Quantity for actual production minus Actual Quantity) into Standard price
= [6.50 into 3000 minus 20500] into 1.90
= [19500 minus 20500] into 1.90
= - 1000 into 1.90
= 1900 U
2) Labour Rate variance
= (standard rate minus Actual rate) into Actual labour hour used
= [13 minus (12000 by 800)] into 800
= (13 minus 15) into 800
= - 1600
= $1600 U
Labour Efficiency Variance
= (Standard hours for actual production minus Actual hours) into Standard rate
= (0.30 into 3000 minus 800) into 13
= (900 minus 800) into 13
= $1300 F
U -> Unfavourable
F - > Favourable