Store A sold $30$ units at $$1\mathrm{.}25$ per unit. Store B sold $60$ units at $$1\mathrm{.}95$ per unit. Store C sold $9$ units at $$1\mathrm{.}50$ per unit.

Ignoring the quantities sold, what was the average unit selling price for the three stores?

a $$155\mathrm{.}10$

b $$1\mathrm{.}57$

c $,$$$51\mathrm{.}70$

d $$1\mathrm{.}70$

e $,$$$0\mathrm{.}33$