Angela Simpson is considering the purchase of a home entertainment center. The product attributes she plans to consider and the weights assigned to each attribute are listed in the table below.

Product Attributes

Portability $0\mathrm{.}3$

Sound projection $0\mathrm{.}6$

Warranty $0\mathrm{.}1$

Angela rated the brands as follows.

Portability Sound

Projection Warranty

Brand A $798$

Brand B $979$

Brand C $697$

Using the consumer buying matrix, conduct a quantitative product evaluation rating for each brand. What other factors is Tammy likely to consider when making her purchase? $($Do not round intermediate calculations. Round your answers to $1$ decimal place.$)$