Assuming initially that the required reserve ratio $=10\%,$ the currency$-$deposit ratio $=40\%,$ and the excess reserve ratio $=0,$ an increase in the currency$-$deposit ratio to $50\%$ causes the M$1$ money multiplier to $\_\_\_\_\_\_\_\_,$ everything else held constant.

Group of answer choices

decrease from $2\mathrm{.}8$ to $2\mathrm{.}33$

increase from $2\mathrm{.}33$ to $2\mathrm{.}8$

decrease from $2\mathrm{.}8$ to $2\mathrm{.}5$

increase from $2\mathrm{.}5$ to $2\mathrm{.}8$