Exercise 23-7 Nona Inc., which produces a single product, has prepared the following standard cost sheet for one unit of the product Direct materials (8 pounds at $3.60 per pound) $28.80 $33.00 Direct labor (3 hours at $11.00 per hour) During the month of April, the company manufactures 180 units and incurs the following actual costs. Direct materials purchased and used (1,600 pounds) $5,952 $6,054 Direct labor (560 hours) Compute the total, price, and quantity variances for materials and labor. Total materials variance Materials price varance Materials quantity variance Total labor variance Labor price variance Labor quantity variance $