Assuming r$=12\%,$ solve the following:

XYZ Co$.$ Ltd$.$ has paid Rs $20$ as dividend this year.The dividend is expected to grow at the rate of $5\%$ p$.$a$.$ How much price should I pay now to buy this share if my horizon period is a$)$ one$-$year b$)$ five years c$)$ perpetuity

XYZ Co$.$ Ltd has paid Rs$.20$ as dividend this year.The company may have higher growth rate of $5\%$ for initial three years and sustainable growth rate of $3\%$ after that. How mush should I pay now to buy this share if my horizon period is a$)$ one year b$)$ five years

c$)$ perpetuity