Economics
Money
Business
100
What do we call a physical product that you can buy (example: banana, watch, sneakers)
Good
100
What do we call things you need to pay for? 
Expenses
100
This is another word for money management
Finance
200
What do we call it when you pay someone to do something for you? (example: a ride to the airport, collecting garbage, etc.)
Service
200
What do we call a list of expenses and a plan for how to pay for them? 
Budget
200
Finding customers and figuring out how to promote a product to them
Marketing
300
Who are the people that buy things?
Consumers
300
What do we call money we owe to someone?
Debt, loan
300
Putting money in a business to help it grow
invest
400
Who are the people that make things or provide services? 
Producers.
400
This means arguing for a better deal
negotiate
400
The part of a business that keeps track of its money
accounting