Problem 9-24 (Algo) Comprehensive Variance Analysis [LO9-4, LO9-5, LO9-6] Marvel Parts, incorporoted, imanufactures suto accessocies. Ono of the companys products is a set of seot covers that can be adjustod to fit neary any small cac The company uses a standard cost system for all of its products. According to the standards that nove been set for the seot covers, the factory should wark 1070 hours epch month to produce 2140 sets of covers. The standard costs associatod with this level of prodoction aco: Ouring Augut, the factory watked ony 1000 direct labothouns and produced 2,400 sets of covers. The following actual costs were recotded duning the morith Mrstandard, each set of cowns showid require 15 yards of material. Al of the matersas purchased during the month were used in production. Anoulied: 2. Compute the labor tale and efficency vartances for Mugut varisncel. input all amounts ar positive values)