For the data in Problem 11.32, which projects should be done and what is the MARR? (a) Assume that..

For the data in Problem 11.32, which projects should be done and what is the MARR? (a) Assume that projects 1 and 2 are mutually exclusive. (b) Assume that projects 8 and 9 are mutually exclusive. (c) Assume that both a and b are true.