Weighted average cost of the company is often used as the discount rate in capital budgeting. In each of the following cases, evaluate whether weighted average cost of the company can be used as the discount rate:

(a) The company is planning a project that has the same risk profile as the current operations of the company

(b) The company is planning a project that has a different risk profile than the current operations of the company

(c) The company is planning to use debt financing to fund the project

(d) The company is planning to use equity financing to fund the project