Exercise 23-5 Partially correct answer. Your answer is partially correct. Try again. The standard cost of Product B manufactured by Pharrell Company includes 3.1 units of direct materials at $6.1 per unit. During June, 26,900 units of direct materials are purchased at a cost of $5.85 per unit, and 26,900 units of direct materials are used to produce 8,500 units of Product B. (a) Compute the total materials variance and the price and quantity variances.