In the equation below, if $a$ is negative and $b$ is positive, which of the following is true ? <br> $\qquad \qquad \large\frac{b-a}{b}=c$

Question

$\begin{array}{1 1} (a)\; c>1 \\ (b)\; c<1 \\ (c)\; c=1 \\ (d)\; c \geq 1 \end{array}$</span>