The Swenson Corporation has a standard costing system. The following data are available for June: Actual quantity of direct materials purchased..... Standard price of direct materials.... Material price variance. Material quantity variance. 35,000 pounds $4 per pound $7,000 unfavorable $4,200 favorable The actual price per pound of direct materials purchased in June is: Select one: O a. $3.92 b. $4.32 O c. $4.08 O d. $4.20