$(2$ points$)$ A company using a weighted$-$criteria evaluation system has established these $3$ categories and the appropriate weight i parentheses: Quality $(0\mathrm{.}50),$ Delivery $(0\mathrm{.}30),$ Cost $(0\mathrm{.}20).($CH $3)$ a$.$ Company B: Quality $(75),$ Delivery $(95),$ Cost $(60)$ b$.$ All companies scored the sameO c$.$ Company A: Quality $(80),$ Delivery $(80),$ Cost $(80)$ d$.$ Company C: Quality $(70),$ Delivery $(80),$ Cost $(95)$