Which of the following expressions is used to calculate the labor efficiency variance? a.(Efficiency hours × Actual hours) – (Variance hours × Standard rate) b.(Overtime Hours × Actual Rate) – (Premium Hours × Actual Rate) c.(Actual Hours × Standard Rate) – (Standard Hours × Standard Rate) d.(Variance Rate × Actual Hours) – (Overhead Rate × Actual Hours) e. None of these choices are correct.

Garfield corporation is considering building a new plant in canada. it predicts sales at the new plant to be 50,000 units at $5.00/unit. below is a listing of estimated expenses. category total annual expenses % of annual expense that are fixed materials $50,000 10% labor $90,000 20% overhead $40,000 30% marketing/admin $20,000 50% a canadian firm was contracted to sell the product and will receive a commission of 10% of the sales price. no u.s. home office expenses will be allocated to the new facility. the contribution margin ratio for garfield corporation is