For an annual flood series arranged in descending order of magnitude, the return for a magnitude listed at position period m in a total data N is
A
$$\frac{{\text{m}}}{{\text{N}}}$$
B
$$\frac{{\text{m}}}{{{\text{N}} + 1}}$$
C
$$\frac{{{\text{N}} + 1}}{{\text{m}}}$$
D
$$\frac{{\text{N}}}{{{\text{m}} + 1}}$$
Correct Answer: $$\frac{{{\text{N}} + 1}}{{\text{m}}}$$