PTL Bhd has issued 5 million ordinary shares, with a market price of RM9 each. The company has RM1 million of irredeemable 13% debentures in issue, with a market price of RM85 per RM100 nominal value. It also has issued 500,000 preference shares at 15%, with a nominal value per share of RM1, and with a market value of RM1.45. The tax rate is 25% per annum. Recently, the company has recorded its current earnings of RM1.5 million, and paid dividends in the past years as below: 2016: RM0.60 2017: RM0.90 2018: RM1.00 2019: RM0.85 2020: RM0.70 Required: Using the information given above, calculate the weighted average cost of capital of PTL Bhd.