Engineering Economy, Please solve right! and
correct.!!!!!!

SOLVE FOR A B and C

cSioTrheip A new storm drainage system must be constructed right away to reduce periodic flooding that occurs in a exclusive designs have been proposed, and their present worth (in thousands of dollars) of costs and benefits are the following a. Which system has the greatest B-C ratio? b. Which system has the largest incremental B-C ratio (based on differences between alternatives)? c. Which system should be chosen? city that is in a valley. Five mutually System 1 3 4 PW of $9,000 $3,000 $3,000 $900 $14,000 costs PW of 15.000 19,000 9,000 9,000 25,000 benefits a. System has the greatest B-C ratio, which is (Round to two decimal places.)

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a) B-C ratio of system 1 = 15000/3000 = 5 B-C ratio of system 2= 19000/9000 = 2.11 B-C ratio of system 3= 9000/3000 = 3 B-C ratio of system 4= 9000/900 = 10 B-C ratio of system 5= 25000/14000

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