Which one of the following is a correct statement concerning the weighted average cost of capital? Multiple Choice 36 Preferred stock is generally the cheapest form of extemal financing An increase in interest rates by the Bank of Canada generally has no effect on a firm's cost of capital O The use of debt generally lowers afirm's cost of capital, at least in O Taxes help lower the cost of debt and preferred stock financing. Activate Windows Go to pay The winter ARAMA Enfrentaminence Afirmerima Prey 5 of 71 Next >