The standard costs and actual costs for direct materials for the manufacture of 2,570 actual units of product are as follows: Standard Costs Direct materials 2,570 kilograms at $8.60 Actual Costs 2,700 kilograms at $8.15 Direct materials The direct materials quantity variance is a. 8894 unfavorable b. $1,118 unfavorable c. 5894 favorable d. S1,118 favorable