Suppose that the CDF of X is given by $$f\left(x\right) = \begin{cases}0;x < 0 &\\\frac{1}{5};0\leq x <2 & \\\frac{2}{5};2\leq x <4 \\ 1; x \geq4 \end{cases}$$
The value of P(X = 4) is:

A

$$\frac{3}{5}$$

B

$$\frac{1}{5}$$

C

$$\frac{2}{5}$$

D

$$\frac{4}{5}$$