(11. Pretty Paws is a dog-grooming service. At standard, it takes 1 hour to groom each dog. During the month of October, it took Pretty Paws employees 350 hours to groom 300 dogs, at a total labor cost of $4,890. The standard wage rate for groomers is $15 per Labol rate standard Compute the labor rate variance and labor efficiency variance. Adial labor: 350 fortle hour