Paul's Inc. flexible budget for June, based upon historical experience, called for the use of 10,000 pounds of materials at a standard cost of $7.20 per pound. The Production Department actually used 10,300 pounds of materials costing $6.90 per pound during June. (ii). The materials quantity variance for Paul's June operations is: Select one: a. $2,070 favorable. b. $2,160 unfavorable. c. $2,160 favorable. d. $2,070 unfavorable