explain with manual calculations

REC gave a current dividend (in 2022) of 153% on the face value of Rs.10. Its current share price is 95.75. Over the last one year, REC share price has moved up from Rs 99.1 to Rs 114.4 . The table below shows the dividend per share of REC over the last five years. Further during the past 10 years, the average Dividends Per Share Growth Rate was 12.80% per year. REC is expected to grow at this rate for a period of 6 years and thereafter, if the growth rate will fall and stabilize at 8% afterwards. 1. Calculate the dividend yield 2. Calculate the 5 -year average DPS growth rate 3. Calculate the capital gain / loss 4. If REC's WACC is 10%, what will be the intrinsic value of REC's stock