Managers from different departments at ABC company have

offered $6$ projects for consideration. A member used key words

to identify the projects and then listed them in order of projected

rate of return.

If the company wants to grow rapidly and used only $5\%$ equity

financing that has a cost of equity capital of $7\%$ and $75\%$ debt

capital of $11\%$

a$)$ Compute the WACC

b$)$ Which projects should the company undertake?