The Marginal Cost Curve for Information Is Upward Sloping Because

Multiple Choice

The marginal cost curve for information is upward sloping because:

A) most information is provided by sources that have a vested interest in offering false information.
B) consumers tend to start with the least expensive sources of information and then progress to more expensive sources.
C) there is only so much to learn about a product.
D) most information is misleading.