I am having a hard time solving the problem below. I have solved for D1/P0 and can't seem to get the right answer. Please help!

QUESTION:

Consider four different stocks, all of which have a required return of 19 percent and a most recent dividend of $3.75 per share. Stocks W, X, and Y are expected to maintain constant growth rates in dividends for the foreseeable future of 11.5 percent, 0 percent, and -6 percent per year, respectively. Stock Z is a growth stock that will increase its dividend by 21 percent for the next two years and then maintain a constant 13.5 percent growth rate, thereafter. What is the dividend yield for these stocks?