57. Manor, Inc. currently manufactures 1,000 subcomponents per month in one of its factories. The unit costs to produce the subcomponents are: The unit costs to produce are: Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Total unit cost Per unit $50 150 75 100 $375 Manor is considering purchasing the subcomponents from an outside supplier, who normally charges $300 per unit. The supplier also has an "Exclusive Buyer's Club" which costs $30,000 per month to join, but whose members can purchase the subcomponents for $250 per unit. Fixed overhead is not avoidable. If Manor chose to purchase the subcomponents using the cheaper of the two buying options, what would be the effect on profit? A. Decrease $25,000 B. Decrease $5,000 C. Increase $20,000 D. Increase $75,000