Project X has an NPV of $1 million and an IRR of 22%, Project has an NPV of $1.1 million and an IRR of 20% Project Z has an NPV of $1.2 million and an IRR of 21% Assume each project has an 18% cost of capital. If the projects are mutually exclusive, which project(s) should be selected? Select one: a. Y and Z Ob.z c. X and Y d. X, Y and Z e. X f. Y