class: Engineering economy

solve with al steps please

ercises (Use your own paper to solve the exercises.) Question 1 Initial Investment, ROR versus Rate of Return, % Alternative $ DN, % A B C D E 25,000 9.627.3 9.4 35.3 25.0 0 38.5 244 46.5 27.3 6.8 35,000 15.1 -40,000 13.4 60,000 254 B 75,000 20.2 (a) If the alternatives are mutually exclusive and (b) If the alternatives are mutually exclusive and (c) If the alternatives are independent and the Note: As examples, the entries 15.1 % and 27.3 in the table are, respectively, the internal ROR of alternative B, and the incremental (delta) ROR or i. of the pair E vs. the MARR is 26% per year, which alterna- tive should be selected? the MARR is 15% per year, which alterna- tive should be selected? MARR is 15% per year, which alternative(s) should be selected