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7.39 Two fixtures are being considered for a particular job in a manufacturing firm. The pertinent data for their comparison are summarized in Table-1 below. The effective federal and state income tax rate is 50%. Depreciation recapture is also taxed 50%. If the after-tax MARR is 8% per year, which of the two fixtures should be recommended? State any important assumptions you make in your analysis. Table 1- Pertinent data for fixtures X and Y MACRS factors for the years 18:0.2,0.32,0.192,0.1152,0.1152,0.0576,0,0