CBC Stock Is Expected to Sell for $22 Two Years

CBC stock is expected to sell for $22 two years from now. Supernormal growth of 5% is expected for the next two years. The current dividend is $1 and the required return is 15%. What constant
Growth rate is expected beginning in year 3?

A) 6.5%
B) 6.7%
C) 8.1%
D) 8.4%
E) 9.5%