Swifty Inc, which produces a single product, has prepared the following standard cost sheet for one unit of the product. $19.20 Direct materials (6 pounds at $3.20 per pound) Direct labor (1 hours at $12.00 per hour) $12.00 During the month of April, the company manufactures 340 units and incurs the following actual costs. $8,250 Direct materials purchased and used (2,500 pounds) Direct labor (360 hours) $4,248 Compute the total, price, and quantity variances for materials and labor. Total materials variance $ Materials price variance $ $ Materials quantity variance UA $ Total labor variance $ Labor price variance $ Labor quantity variance $