Superior gearing lowers the WACC, but it is not constantly the case. From time to time the credit card debt funding is higher more than enough that case the increase in the cost of equity nullify the debt financing impact on WACC or at times it boosts the WACC https://hbscasesolution08083.blogocial.com/how-much-you-need-to-expect-you-ll-pay-for-a-good-help-with-case-study-70325108