Equity share of vertigo limited whose current DPS is Rs$.2\mathrm{.}00$ and its DPS has a growth

rate during of $20\%$ for the first $4$ years. For the next $3$ years it grows at $15\%.$ There after it

has a normal growth for the rest of the period. The growth rate during this period is $5\%.$

If the investor's required rate of return is $12\%$ at what price should he buy the share?