with explanations please

Question 12 The standard cost of Product B manufactured by Sheffield Company includes 3.20 units of direct materials at $6.20 per unit. During June, 27,300 units of direct materials are purchased at a cost of $6.05 per unit, and 27,300 units of direct materials are used to produce 8,400 units of Product B. Compute the total materiais variance and the price and quantity variances. Total materials variance $ . Materials price variance $ . Materials quantity variance . Compute the total materials variance and the price and quantity variances, assuming the purchase price is $6.25 and the quantity purchased and used is 26,500 units. Total materials variance $ . Materials price variance $ . Materials quantity variance . $ Show Work is REQUIRED for this question: Open Show Work