Given the following parameters, calculate hedge ratio for a put option.

$S=$$$\frac{1\mathrm{.}73}{},E=$$$\frac{1\mathrm{.}80}{}$

$u=1\mathrm{.}15,d=\frac{1}{u}$

$\mathrm{.}6997$

$-\mathrm{.}6319$

$-\mathrm{.}6997$

$-\mathrm{.}6094$