Standard Quantities of Labor and Materials Stilwater Designs rebulids defective units of its 512L7 iicker speaker model. Daring the year, 5 stliwater rebuit 5,000 units. Materials and labor sandands for performing the repain are a follows: 1. Compute the standard hours allowed for a volume of 3,000 rebuith units nogrs 2. Compute the standard number of iats and cabinets allowed for a volume of 8,000 repuits units 3. Suppose that during the first morth of the yean, 4,500 standard hours were allowed for the units rebult, How mary units were rebuilt during the first thonth? Rewnd your andwer to the nespest whole unit units