A company using a weighted$-$criteria evaluation system has established these $4$ categories and the appropriate weight in parentheses: Reputation $(0\mathrm{.}20),$ Quality $(0\mathrm{.}35),$ Environmental $(0\mathrm{.}15),$ Cost $(0\mathrm{.}30).$ The scores for each category are shown below.

$\backslash$table$[[$Performance Measure,Company A$,$Company B$,$Company C$],[$Reputation$,75,70,75],[$Quality$,80,90,85],[$Environmental$,90,80,85],[$Cost$,70,75,80]]$

Calculate the scores and choose which of the following companies has the highest total score?

a$.$ Company $A$

b$.$ Company C