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Mercer has three product lines in its retail stores: books, videos, and music. Results of the fourth qua are presented below: Total 5,000 Books 1,000 $20,000 17,000 1,000 7,000 $ (5,000) Units sold Revenue Variable departmental costs Direct fixed costs Allocated fixed costs Net income (loss) Music 2,000 $40,000 22,000 3,000 7,000 $ 8,000 Videos 2,000 $25,000 12,000 2,000 7,000 $ 4,000 $85,000 51,000 6,000 21.000 $ 7.000 The allocated fixed costs are unavoidable. Demands for individual products are not affected by changes in other product lines. (a) Show, using the incremental analysis template below, what will happen to profits if Mercer discontinues the Books product line. Net Income Increase (Decrease) Continue Discontinue (b) Should Mercer discontinue the Books product line? Why