Investment X and Investment Y are both growing perpetuities with initial cash flow of $100. Both investments have the same interest rate (r) and cash flows. The present value of Investment X is $5,000, while the present value of Investment Y is $4,000. Which of the following is true?
选项：

A:Investment X has a higher growth rate than Investment Y.;
B:Investment X has a lower growth rate than Investment Y.;
C: The answer cannot be determined without knowing the interest rate for both investments.;
D:With the same initial cash flow and the same interest rate, Investment X and Investment Y should have the same present value.