Actual price paid for material$1.00

Standard price for material$1.20

Actual quantity purchased and used in production100

Standard quantity for units produced110

Actual labor rate per hour$15

Standard labor rate per hour$16

Actual hours200

Standard hours for units produced220

a. Compute the material price and quantity, and the labor rate and efficiency variances

b. Describe the possible causes for this combination of favorable and unfavorable variances