Use this information to answer the question that follow. The standard costs and actual costs for factory overhead for the manufacture of 2,800 un ts of actual production are as follows: Actualiegsts Total variable cost, $18,200 Total fixed cost, $7,900 The fixed factery everhead volume variance is a. 5984 faverable b. 5934 unfaverable c 51 ise uafararable d. 50