8.3 lbs $19.15 per pound Standard quantity per unit of output Standard price The following data pertain to operations concerning the product for the last month Actual materials purchased Actual cost of materials purchased Actual materials used in production Actual output 9,000 lbs $171,000 7,100 lbs 700 units What is the purchase price variance of the materials for the month? $1,065.00 Favorable $1,350.00 Unfavorable А. В. С. $1,350.00 Favorable $1,065.00 Unfavorable D. Е. None of the above