Calculate Return

If the P$/$E is $18$ today and rises to $20$ in a year, and earnings today are $$2\mathrm{.}00$ and rise to $$2\mathrm{.}3,$ what is the return? Assume that dividends over the next year are $$0\mathrm{.}90.$

Remember:

Return $=($price at time $\frac{1}{?}$ price at time $0$