6. Following is information about Seasonal Products (SP) Corporation. The company has no preferred stock. The firm expects to retain $300,000 in earnings this year to invest in capital budgeting projects. If the SP's capital budget is expected to equal $550,000, what required rate of return, or marginal cost of capital, should be used when evaluating capital budgeting projects? a. 9.80% b. 11.60% c. 9.25% d. 11.17% e. 9.90%