Imagine DeBeers is currently selling 200 diamonds at a price of $1,000. To sell 10 more diamonds, DeBeers has to lower the price (of all diamonds) by $50. What is the marginal revenue from selling those additional diamonds?

Jack's marginal utility of consumption is MUc = L - 6, and the marginal utility of leisure is MUL=C-40. Jack does not have any nonlabor income, i.e., V = 0. Jack faces a $48 an hour wage rate. Jack's total number of hours available per week is 150. What is Jack's optimal choice of consumption? (calculate to 2 decimal places)

Mika earns $379 per week which she spends entirely at the grocery store, purchasing either food or alcohol. The price of food is $1/unit, while the price of alcohol is $4/unit. Mika receives an additional $50/week in food stamps that can only be only be used to buy food at the grocery store (so, this money could be used to buy food but NOT alcohol). Mika knows someone who will give her cash in exchange these food stamps at a rate of $0.50 in cash for every $1 in food. stamps. Cash, of course, can be used to buy either food or alcohol. What is the vertical coordinate of the vertical intercept of Mika's budget constraint if she were to graph quantity of food on the horizontal axis and quantity of alcohol on the vertical axis? (Note: The answer may not be a whole number, so round to the nearest hundredth)

An employee asks her boss whether she can transfer offices so that she can work in a different part of the country. The boss responds positively and says that the employee can choose to work in Cleveland, Miami, or New York City. The boss then hands the employee a list, as shown in the table below, of the salaries that she would earn in the different cities and the average price levels in those same cities. Office location Cleveland Miami New York City Salary ($) 85,000 125,000 165,000 CPI 100 160 205 a. From the standpoint of maximizing the employee's consumption possibilities, she should choose Cleveland Instructions: Round your answer to the nearest whole number. b. The minimum salary in New York City the boss could offer the employee to make her indifferent between moving to Cleveland or New York City is $ 182,750