Please solve the above sum

UVU 12. The market price per share (with face value =Rs. 100) of a company is Rs. 250. The dividend expected next year is Rs. 30 per share and is expected to grow at the rate of 5 per cent per year for the next 5 years, and thereafter the growth rate to decline to 2 per cent, a level which will be maintained forever. What is the cost of equity to the company