A company is raising capital for expanding the company. The capital will be raised by means of the following financial sources:
Bond: R350,000
Common stock issue: R200,000
Retained earnings: R1,800,000
Short-term debt: R150,000
The after-tax cost of the sources are as follows:
Common stock issue: 9%  Short-term debt: 7%
Bond: 6%
Retained earnings: 4%
Determine the WACC for the company’s expansion.