(DM & DL variances) In July 2010, Zinger Corp. purchased 20,000 gallons of Numerol for $61,000 to use in the production of product #43MR7. During July, Zinger Corp. manufactured 3,900 units of product #43MR7. The following information is available about standard and actual quantities and costs:

Standard for One Unit

Actual Usage for July

Direct material

4.8 gallons @ $3 per gallon

18,350 gallons

Direct labor

20 minutes @ $9 per DLH

1,290 DLHs @ $9.02 per DLH

a. Compute the material purchase price variance and the material quantity variance.

b. Compute the labor rate, labor efficiency, and total labor variance.