please show all steps for thump up.

do not use excel

please compare AW not PW

my professor said that on thr next photo.

1. (20 Points) A public agency is considering four mutually exclusive alternatives in addition, the do-nothing alternative is feasible). Use the benefit to cost ratio method to determine which of the alternatives is preferable, given an interest rate of 12% per year. Alternative A B D Initial Cost (SK) Annual Benefit (SK) 100 30 120 250 50 175 38 35 Life (years) 10 5 15 6 Can't compare rest Pw 7 compare Aw alternatwer have different PIEST+ value of benent Benedit to cost ratio= +- (Hrn 212 F Alternate Ai 30 (1-C13-233ate ) = 30_6.6.caz) = 169.506530 B/C- 169.56669 - 1.69506 700 Alternative Bi - 25(1-cituit) J = 3042.60472=Label6716 12 B/C= 126-16716 10 5139 too Alternte i 6o H 316 - 390,5322. 1. 36217 246 Alternative Di 331" (14.056)= 38141 140) = 15.6.23347 -0.792762 175 project A because it has the highest benefit to castratio B/C- 156.23347