The burden of producing evidence of any affirmative defenses lies with the ________

The costs incurred by merchants changing product prices (such as the costs of reentering prices into computer systems) are referred to as:

A) subscription costs. B) fixed costs. C) menu costs. D) variable costs.

Work group software is also referred to as

a. groupware software. b. collaborative software. c. browser software. d. a and b.