In which of the following cases is money being used as a medium of exchange?

you pay your neighbor $10 for clearing the snow from your driveway with his snowblower.
your grandfather gives you $100 for your birthday and you put the money into a savings account.
a plumber raises his hourly rate from $70 per hour to $80 per hour.
a farmer buys seed to plant his crops.
a wealthy alumna donates $1 million to her alma mater.

The prebisch–singer hypothesis concludes that: a. technology lowers the cost of manufactured products, so developing countries should see an increase in their terms of trade. b. developing countries experience a long-run decline in their terms of trade, as the demand for primary products in higher-income countries declines relative to their demand for manufactured goods. c. because of unfair trading practices, labor in developing countries is exploited. d. opec has been responsible for a slowdown in the world's standard of living.

“strategy, plans, and budgets are unrelated to one another.” do you agree? explain. explain how the manager’s choice of the type of responsibility center (cost, revenue, profit, or investment) affects the behavior of other employees.

Which of the following best explains why large companies pay less for goods from wholesalers? a. large companies are able to pay for the goods they purchase in cash. b. large companies are able to increase the efficiency of wholesale production. c. large companies can buy all or most of a wholesaler's stock. d. large companies have better-paid employees who are better negotiators.