In Product Modification, Three Conditions Must Be Met to Improve

In product modification, three conditions must be met to improve a firm's product mix: the product must be modifiable, customers must be able to perceive that a modification has been made, and

A) a modification should make the product more consistent with customers' desires.
B) competing companies should not be aware of planned product modifications.
C) a modification should change customers' desires to provide greater satisfaction.
D) management must perceive the modification as a reasonable and necessary action.
E) production costs and materials needed should be limited.