In which of the following cases is money being used as a medium of exchange? Instructions: You may select more than one answer. Click the box with a check mark for correct answers and click to empty the box for the wrong answers. 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