Please Help!!! Constant-Growth Model. A stock sells for $40.The next dividend will be $4 per share. If the rate of returnearned on reinvested funds is 15 percent and the company reinvests40 percent of earnings in the firm, what must be the discountrate? Please Help!!! Constant-Growth Model. A stock sells for $40.The next dividend will be $4 per share. If the rate of returnearned on reinvested funds is 15 percent and the company reinvests40 percent of earnings in the firm, what must be the discountrate?