Growing Real Fast Company (GRF) is expected to have a 25 percent growth rate for the next four years (effecting D1, D2, D3, and D4). Beginning in year five, the growth rate is expected to drop to 7 percent per year and last indefinitely. If GRF just paid a $2.00 dividend and the appropriate discount rate is 15 percent, then what is the value of a share of GRE?
选项：

A:$41.24;
B:$43.24;
C:$45.24;
D:$47.24