Kenji is training for a triathlon, a timed race that combines swimming, biking, and running. consider the following sentence: because his pool sessions are him swim more quickly, kenji plans to reduce by 1 hour per week the time he spends training on the bike and increase by 1 hour the time he spends in the swimming pool; however, his wife says that he should stop doing any biking and running and spend all 20 hours per week in the pool. which basic principle of individual choice does kenji's plan illustrate that his wife's advice does not? resources are scarce. many decisions are made on the margin. all costs are opportunity costs. people usually exploit opportunities to make themselves better off

Match the terms with the appropriate definition. 1. unpaid work done for a person or an organization lifestyle budget 2. any task that is useful volunteer work 3. a state-required legal document giving employees younger than eighteen years old permission to work work 4. a good or service that is desirable but not necessary want 5. wage amount after deductions are withheld net wage 6. lists the costs of items you choose to spend your money on work permit 7. the people who are both able and willing to work

2. the language of price controls consider the market for rental cars. suppose that, in a competitive market without government regulations, the equilibrium price of rental cars is $58 per day, and employees at car rental companies earn $19.50 per hour. complete the following table by indicating whether each of the statements is an example of a price ceiling or a price floor and whether it results in a shortage or a surplus or has no effect on the price and quantity that prevail in the market. statement price control effect there are many teenagers who would like to work at car rental companies, but the minimum-wage law sets the hourly wage at $23.00. the government has instituted a legal minimum price of $87 per day for rental cars. the government prohibits car rental companies from renting out rental cars for more than $87 per day.

Turtle corporation produces and sells a single product. data concerning that product appear below: per unit percent of sales selling price $ 150 100 % variable expenses 75 50 % contribution margin $ 75 50 % the company is currently selling 5,600 units per month. fixed expenses are $194,000 per month. the marketing manager believes that a $5,300 increase in the monthly advertising budget would result in a 190 unit increase in monthly sales. what should be the overall effect on the company's monthly net operating income of this change?