i have the question from finance 1A i don't know how to solve it please help me and explain why ?

i have the question from finance 1A i don't know how to solve it please help me and explain why ?

Company B needs $3,500,000 (This is the amount required net of costs) to fund a project. The company plans to issue shares to raise the fund. It is expected that the company will pay yearly dividend at a constant growth rate of 4% p.a. effective. A dividend of $1.50 is payable in one year. If the cost of issuing shares is 2.5% and the rate of return is 16% p.a. effective. how many shares need to be sold?