Lawrence industries' most recent annual dividend was $1.80 per share (D0= $1.80) and the firm's required return is 11%. find the market value of lawrences shares when:

a) dividends are expected to grow at 8% annually for 3 years, followed by a 5% constant annual growth rate in 4 years to infinity.

b)dividends are expected to grow at 8% annually for 3 years, followed by a 0% constant annual growth rate in 4 years to infinity.

c)dividends are expected to grow at 8% annually for 3 years, followed by a 10% constant annual growth rate in 4 years to infinity.