A farmer sells a truckload of grain for $1000. He then takes the cash to the tractor dealer and buys a new set of tires for his cultivator. This illustrates that one function of money is to be a
A) medium of exchange.
B) measure of value.
C) store of value.
D) bartered item.

Option (A) is correct.

Explanation:

Here, the function of money that is reflected in this example is a medium of exchange.

Money is used for purchasing goods and services between the parties.  

Money is mostly used as a medium of exchange. Nowadays, every individual uses money in almost every transactions because it is very convenient for the consumers and sellers of the product. Medium of exchange is a currency in which transactions takes place.

you don't if you paid you paid. it's like if i bought a computer and used it then i say idon't want it anymore so im gonna return it. you can't. unlkess you have your reciept

explanation: doctrine of respondeat superior is a legal doctrine that is commonly used in tort. this principle makes an employer or principal legally responsible for the wrongful acts done by an employee or agent, if such acts occur within the scope of the employment or agency.