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

Using the Consumer Buying Matrix presented in Chapter 8, conduct a quantitative product evaluation rating for each brand. What other factors is Tammy likely to consider when making her purchase?