Answer:
B. Taking a friend to lunch in return of a favor
Explanation:
Barter System is direct commodity/ service to commodity/service exchange , without using money as an intermediary exchange medium . It is also called C to C exchange .
Eg : Two farmers exchanging their wheat & rice , A teacher teaching grocers' child in exchange of groceries from him .
So : A. Simple Investment , C. Money Purchase , D. Money Denomination exchange - neither are examples of Barter System .
B . Paying off a friend's favour in exchange of a service (being service-service exchange) is a relatable example.
Answer:
keeping it private and not letting anyone find. out about it or keepin it from people
ALWAYS WEAR EYE PROTECTION.
Wear the RIGHT SAFETY EQUIPMENT for the job.
Use tools that are the RIGHT SIZE & RIGHT TYPE for your job.
Follow the correct procedure for using EVERY tool.
Keep your cutting tools SHARP and in good condition.
DON'T work with OILY or GREASY hands.
To help you not make that mistake again by giving you the help you need
Answer: Having lower opportunity costs.
Explanation: Opportunity cost can be defined as the cost of next best alternative foregone. In this case, James is saving his money by taking work of a professional from a new recruit also he gets the opportunity to procure high quality materials which he was earlier not able to. Thus, he is saving a major portion of income because of a less costly alternative available.
