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.

Your goal is to have $2,000,000. you have a total of $40,000 today. you invest the $40,000 and want to add to it each month. at 10% annual interest, how much do you need to invest each month in order to bring the total up to $2,000,000 30 years from now?

Marco works in the marketing department of a luxury fashion brand. he is making a presentation on the success of a recent marketing campaign that included a fashion show. which slide elements can he use to include photographs and footage of the fashion show in his presentation? marco can use the: table images audio option to include photographs and the: flowcharts images video option to include footage of the fashion show.

The green revolution is a scientific breakthrough that improved seeds for basic crops. how did the green revolution impact the supply of basic crops such as wheat and corn? the supply of wheat and corn increased. there was no impact on the supply of basic crops. the supply of basic crops did not change, but the quantity supplied of basic crops increased. the supply of wheat and corn decreased.