Goodwill:

a. is recorded when the purchasers of a business pay more than the fair value of the assets purchased.

b. should be treated like most other intangible assets and amortized over a useful life of not more than 40 years.

c. should be recorded as a negative value if a company is purchased for less than the net carrying value of its assets.

d. is an accounting measurement of how well a company's employees behave towards the company's customers.