Kyma INC. currently has zero dbt. Its a zero growth company, and it has the data shown below. Now the company is considering using some debt, moving to the new debt/assets ratio indicated below. The money raised would be used to repurchase stock at the current price. It is estimated that the increase in risk resulting from the additional leverage would cause the required rate of return on equity to rise somewhat, as indicated below. If this plan were carried out, by how much would the WACC change, i.e., what is WACC old / WACC new?

a. 2.72%

b. 2.44%

c. 2.14%

d. 1.84%

New Debt/Assets New Equity/Assets Interest rate new rd 55% 45% 7.0% Orig. ost of equity, rs 9.4% New cost of equity rs 11.0% 40.0% Tax rate