Question content area

Part $1$

When using the $$factor$-$weighting method to choose$$ suppliers, how would the$$ decision$-$maker include qualitative$$ ratings, such as$$ "poor" or$$ "very good"?

Part $2$

A$.$

ignore them when making a decision

B$.$

use the ratings to break any ties at the end

C$.$

use the ratings to adjust the scales used for other factors

D$.$

use a key to convert the ratings into numerical scores