Which of the following is true of validation?
a. it estimates the real system.
b. it is largely a debugging task to make sure that no errors are in the computer procedure that implements the simulation.
c. the process of determining that a simulation model provides an accurate representation of a real system.
d. the process of determining that a computer program implements a simulation model as it is intended.

Suppose farmer lane grows and sells cotton in a perfectly competitive industry. the market price of cotton is $1.64 per kilogram, and his marginal cost of production is $1.44 per kilogram, which increases with output. assume farmer lane is currently earning a profit. can farmer lane do anything to increase his profit in the short run? farmer lane: a. cannot do anything to increase his profit. b. may or may not be able to increase his profit. c. can increase his profit by raising his price. d. can increase his profit by producing more output. e. can increase his profit by shutting down.

Dominic is the founder of an innovative "impromptu catering" business that provides elegant, healthy party food and decorations on less than 24 hours' notice. the company has grown by over 150 percent in the past year. dominic credits some of the company's success to studying the strategies of prominent social entrepreneurs, such as wikipedia's jimmy wales. what can dominic do to exemplify the social entrepreneurship model?

Suppose you manage an upscale restaurant in new york city. would involve writing employee schedules and a list of things to do for the chef and other kitchen staff