Changes that affect a product's versatility, effectiveness, convenience, or safety are called modifications.
a. formal
b. package
c. functional
d. aesthetic
e. quality

C. Functional Changes

Explanation:

The goal of functional modifications is to ensure that the product becomes useful to more consumers which in turns broadens the market base for teh product. A strategy that is often employed is to analyze competitor's products and then identify features or modifications that are not available with the competiton's products. These features are then added to the existing product to gain a favourable position with the consumers.

Functional modifications assists the positive image building of a brand.

Functional Modifications include, a product's improved convenience (ease of use and access), effectiveness (ability to perform its stated functions), safety and versatility (ability to adapt or be used in different situations and activities).  

c. FUNCTIONAL MODIFICATION

Explanation:

c. FUNCTIONAL MODIFICATION

Changes that affect a product's versatility, effectiveness, convenience, or safety are called Functional modifications.

Every organisation aim to improve the effectiveness, versatility e.t.c of his product, so that the product will meet customer satisfaction.

the aspect of product modification which improve its efficiency, increase its function, increase the application, reduced its current consumption, e.t.c are classify under functional modification.

b. package  : change in branding to entised customer

d. aesthetic : enhance Beautification of the product,

e. quality: the grade and durability of the product

answer; i believe that the correct answer is (personal information and career information; second answer; (b) flexibility,independence and salary potential

answer; ///i believe that the correct answer is (post conventional)