Compute the relative effect of quantization error $($eQ$/$Ei$)$ in the quantization of a $200-$mV analog signal using an $16-$bit A$/$D converter. Here we assume a full$-$scale range of $-10$ to $+10$V$.$

A$)0\mathrm{.}0015$

B$)0\mathrm{.}0075$

C$)0\mathrm{.}003$

D$)0\mathrm{.}00075$