Constraint Satisfaction PPerfect competitiThe difference between total revenue and total cost is: Question 2Select one: a. economic profit. b. nominal revenue. c. average revenue. d. marginal revenue.on is important to study because it: Question 1Select one: a. is a theoretical extreme used for analysis. b. is a realistic model of a few key markets. c. is a realistic model of many different markets. d. avoids all real-world problems and complexities.roblem (CSP) is consists of a set of _________________. Question 5Select one: a. Variables, heuristics, and solutions b. Variables, domains, and backtracking c. Variables, domains, and constraints d. Variables, forward checking, and heuristics