Interviewing
A need is something you need to have: food, shelter and clothing
A want is something that you'd like to have but don't really need it to live.
Income is the money you make from your job.
Expense are bills you pay for things, like rent, food, gas, electricity, water bill or car payment.
shouting across the room would be in a construction job.
In an office setting for accounting would not be acceptable to shout across the hall.