When an operation may apply to two or more classes in different ways, this is known as polymorphism

When direct e-mails sent only to those customers who had agreed in advance to receive such contact, such programs are known as ________ programs

A) opt-in B) unchecked C) check-in D) pre-checked

This scenario clearly represents a failure. Usually, such products are weeded out in the new-product development process. If not, they are ultimately withdrawn from the market. Identify this scenario

A) perceived value > price > cost B) perceived value > cost > price C) price > perceived value > cost D) price > cost > perceived value