Michelle Martelle, CEO of Michelle Enterprises, Has Five Projects in Hand

Michelle Martelle, CEO of Michelle Enterprises, has five projects in hand and is considering which, if any, to undertake. Their expected returns are: project A = 12 percent, project B = 7 percent, project C = 10 percent, project D = 9 percent, and project E = 8 percent. If the interest rate is 8.5 percent, which, if any, investment projects will she accept?

A) Only project A.
B) Projects A and C.
C) Projects A, C and D.
D) Projects A, C, D and E.