Tammy Monahan is considering the purchase of a home entertainment center. The product attributes and weights she plans to consider are:
portability .1
sound projection .6
warranty .3
Tammy rated the brands as follows:
portability sound projection warranty
Brand A 6 8 7
Brand B 9 6 8
Brand C 5 9 6
Conduct a quantitative product evaluation rating for each brand. What other factors is Tammy likely to consider when making her purchase