$[5]$

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Q$.6$ Set. $($A$)$ Eagle Electronics must expand its supplier base. The search has been narrowed down to four suppliers: D$,$ C$,$ B$,$ and A$.$ The factors, weights, and ratings are given in the following table:

$\backslash$table$[[,,,$Ratings$],[i,$Factor,Weight $(w_i),$D$,$C$,$B$,$A$],[1,$Quality,$28,5,4,4,5],[2,$Capacity,$23,2,3,4,1],[3,$Delivery,$18,2,3,3,4],[4,$Taxes,$13,2,5,5,4],[5,$Environmental Impact,$18,5,4,3,3]]$

a$)$ Using the weighted point plan, determine the recommended supplier

$[3]$

b$)$ Determine the recommended supplier if the weights of quality and taxes interchange?

$2$