need to solve the following problem

21. The government's use of the judgment by performance criterion: a. advocates that competition is fragile and that there must be a large number of small firms selling in the market to ensure competition. b. is reflected by the idea that bigness of business does not necessarily imply the absence of market competition. c. is criticized because it is difficult to determine the relevant number of competitors (e.g., should a 2-digit or 4-digit code be used?). d. is the primary criterion governing U.S. antitrust policy since 1945. 22. Free - you don't have to answer it. 23. Regarding mergers: a. a conglomerate merger is the combination of two firms in the same industry. b. a... click for more

need to solve the following problem

5 problems for microeconomics - attached - one problem per page

I don't know where to start

1. Alex's preferences for bagels and wine can be isolated and examined. Assume that Alex's budget is $200. Bagels cost $2.00 each and wine costs $10.00 per liter. Assume that Alex spends all of his income on bagels and wine in order to maximize his total utility. a) Write the equation for his budget line. What is the slope of the budget line and what does it mean? Draw the budget line. Use the X-axis for bagels and the Y-axis for wine. b) Draw Alex's preferences map and superimpose the budget line. Label Alex's utility-maximizing combination of bagels and wine as point "A." What is meant by the "utility-maximizing combination of bagels and wine?" c) Now consider Sally; Sally is currently ... click for more

Efficiency Frontier, Profit Max, Elasticity

I'm not sure where to start to frame out any of these problems. I need some guidance as to teh right formulas.

Just need clarification to the questions in the body of the problem

I am having issues with the calculations for elasticity and profit and revenue max.