Note: This is a multiple$-$answer inquiry. For this question each correct answer$-$choice is worth $3\mathrm{.}0$ points; each incorrect answer$-$choice results in a deduction of $3\mathrm{.}0$ points.

Inquiry. With regard to the house of quality, the target value for the product design is determined by which three factors $($select the three answer$-$choices that apply$).$

Select one or more:

a$.$ The importance of various customer attributes

b$.$ Customer perception vis$--$vis customer attributes

c$.$ Desired performance of the product relative to those of competitors

d$.$ A comprehensive SWOT analysis

e$.$ The linkages to engineering characteristics

f$.$ The relationship between customer attributes and engineering characteristics