4. Calculation of the cost of capital rate for 2012-2013


The application of the methodology referred in the preceding points results in the cost of capital rates for the accounting years of 2012 and 2013, respectively 10,85% and 11,69% (see table 9), as detailed in BT’s report.

Table 9 – Calculation of the cost of capital rates for 2012-2013

Parameters

2012

2013

Risk-free interest rate

3,89%

3,96%

Debt premium

1,86%

2,79%

Beta

0,73

0,73

Risk premium

8,31%

8,94%

Gearing

41,74%

42,52%

Tax rate

31,50%

31,50%

Cost of equity

9,93%

10,51%

Pre-tax CMPC

10,85%

11,69%

Source: Baker Tilly report and ICP-ANACOM calculation