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. modification should make the product more consistent with customers' desires.
b. competing companies should not be aware of planned product modifications.
c. 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.
Answer: a