59. Trebecker Construction plans to discontinue its roofing segment which last year generated a contribution margin of $65,000 and incurred $70,000 in fixed costs. If the segment is discontinued, half of the fixed costs will be avoided. What effect is expected to occur to the company's overall profit? A. B. C. D. A decrease of $5,000 A decrease of $30,000 A decrease of $5,000 An increase of $30,000