Which of the following is a sales promotion tool that is consumer franchise building in nature?

Interactivity that enables product customization alters industry structure by reducing the threat of substitutes

Indicate whether the statement is true or false

When an intangible asset becomes worthless,

A) it should remain on the books at its existing carrying value. B) its remaining carrying value should be written off immediately as a loss. C) prior years' accounting records should be adjusted retroactively. D) its remaining carrying value should be amortized over 20 years.