Problem 10-23 (algorithmic) Question Help You have been requested to recommend one of the mutually exclusive industrial sanitation control systems that are given below. If MARR is 15% per year, which system would you select? Assume that not having to re-invest in five year is an added benefit of the Vacuum-led. Use the B-C method. Alternative Gravity-fed Vacuum-led Capital investment $24,400 $34,400 Annual receipts less expenses 8,100 8,100 Life in years 6 12 Click the icon to view the interest and annuity table for discrete compounding when the MARR is 15% per year. An incremental B-C ratio is (Round to the two decimal places.)