Assuming initially that the required reserve ratio $=10\%,$ the currency$-$deposit ratio $=75\%,$ and the excess reserve ratio $=156\%,$ an increase in the currency$-$deposit ratio to $150\%$ causes the M$1$ money multiplier to $$ everything else held constant.

$q,$

increase from $1\mathrm{.}54$ to $1\mathrm{.}67$

decrease from $0\mathrm{.}73$ to $0\mathrm{.}61$

increase from $0\mathrm{.}73$ to $0\mathrm{.}78$

decrease from $1\mathrm{.}67$ to $1\mathrm{.}54$