please double check my work in the blue, thank u $!$

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: Capital Cost Source Bonds Preferred stock Common stock Retained earnings Proportion 1 ovo Rate 1 ovo 1 ovo Calculate the weighted average cost of capital. Round answers to one decimal place. For example, 0.457 Weighted Average = 45.7%. Bonds Preferred stock Common stock Retained earnings Cost of Capital 5.6 % 2% 3.9% 1%