What is the weight of the preferred stock as it relates to the firm"s weighted average cost of capital? A. 10 percent B 12 percent c. 14 percent d. 16 percent e. 18 percent 27. The overall cost of capital for a retail store: a. is equivalent to the after-tax cost of the firm"s liabilities. B. should be used as the required return when analyzing a potential acquisition of a wholesale distributor.