The calculation of the Weighted Average Cost of Capital ( WAAC ) can be done using the following formula:
Weighted Average Cost of Capital = (Cost of debt * Weight of debt) + (Cost of Preferred* Weight of Preferred) +( Cost of equity * weight of equity)
Following information is available:
Cost of debt = 6%
Weight of debt = 40%
Cost of Preferred = 7.50%
Weight of Preferred = 15%
Cost of equity or retained earnings = 12%
Weight of equity = 45%
Hence, Weighted Average Cost of Capital = (6%*40%) + (7.5%*15%) + (12%*45%) = 8.925%
Hence, Weighted Average Cost of Capital is 8.925%