$1.$ The holding$-$period return on a stock was $32\%.$ Its beginning price was $$25,$ and its cash dividend was $$1\mathrm{.}50.$ Its ending price must have been $\_\_\_\_\_\_\_\_\_\_.(1$ points$)$

a$.$ $$28\mathrm{.}50$

b$.$ $$33\mathrm{.}20$

c$.$ $$31\mathrm{.}50$

d$.$ $$29\mathrm{.}75$