In chapter 8 example 6 , in part b you have used the The Fisher formula (1 + i) = (1 + r) (1 + h)
to remove the effect of inflation from the cost of capital rate
you said that the cost of capital is 15% but here how do we know that this rate is with inflation since the inflation rate is given separately so how can we assume that the rate of 15% is with inflation.