A company using a weighted$-$criteria evaluation system has established these $5$ categories and the appropriate weight in parentheses:

$$Quality $(0\mathrm{.}25)$Responsiveness $(0\mathrm{.}10)$Delivery $(0\mathrm{.}15)$Cost $(0\mathrm{.}15)$Technology $(0\mathrm{.}30)$

Company X received the following ratings in each of the five categories: Quality$(90),$ Responsiveness$(90),$ Delivery$(80),$ Cost$(80),$ Technology$(85).$ What is its total score?

a$.$

$83\mathrm{.}0$

b$.$

$82\mathrm{.}5$

c$.$

$81\mathrm{.}0$

d$.$

$84\mathrm{.}5$

b$.$

$500,250,$ make, make

c$.$

$500,500,$ make, buy

d$.$

$500,250,$ make, buy

$$

$$What are the fixed costs for the buy decision?$$What is the breakeven quantity for the two options illustrated?$$At Q $=300,$ would you choose the make or buy option?

$$At Q $=200,$ would you choose the make or buy option?

a$.$

$1000,250,$ make, buy

b$.$

$500,250,$ make, make

c$.$

$500,500,$ make, buy

d$.$

$500,250,$ make, buy