Susan chooses to go to auto races, buy Earnhardt T-shirts, Wrangler jeans and beer, while Barbara chooses to go to the symphony, buy floor length formals, diamond earrings and wine? Answer all the following questions using complete sentences. 1. Define, and then explain in your own words what the concept of Total Utility is: 2. Define, and then explain in your own words what the concept of Marginal Utility is: 3. Why is it important to incorporate money into the concept of Consumer Utility? 4. Define, and then explain in your own words what the concept of Consumer Equilibrium is. Why does the concept maximize total utility, and not marginal utility