Answer the following while showing your steps please:

Weighted Average Cost of Capital Gardner, Inc., plans to finance its expansion by raising the needed investment capital from the following sources in the indicated proportions and respective capital cost rates: Proportion 4096 2096 30% 10% 100% Rate 1396 996 12% 9% Source Bonds Preferred stock Common stock Retained earnings Calculate the weighted average cost of capital. Round answers to one decimal place. For example, 0.4567-45.7%. Weighted Average Cost of Capital Bonds Preferred stock Common stock Retained earnings