When JJ and Sons was awarded a contract to pour a skyscraper’s foundation, the father had to choose between two pieces of equipment needed to supplement pumping of concrete into foundation settings. Estimates are below. Both machines have an estimated 7-year useful life; however, MACRS depreciation is over a 5-year recovery period. The effective tax rate is 40%, and the after-tax MARR is 8% per year. Your father asked you, one of the sons, to recommend one machine. (a) Perform the analysis by spreadsheet using after-tax PW analysis, and (b) plot the CFAT curves.
 FIGURE 1.png)
(a) Develop two tables similar to those shown.
Conclusion: PWA = $-201 and PWB = $1284. Select Hoister (H)
(b) Plot of CFAT values shows they track closely.
 ANSWER.png)
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