Interest — Social Studies definition
A charge or return related to use of funds over time.
Where it is taught
- Credit, Interest, Loan Terms & Borrowing Costs — Household Finance & Major Decisions, Government, Civic Participation & Economics, Grade 12
In use
Principal is the amount borrowed; interest concerns the charge for its use; fees can add other costs.
Credit, Interest, Loan Terms & Borrowing Costs
Questions using interest
Problem 1
Why is a quoted interest rate insufficient for comparing all borrowing costs?
Answer and explanation
Fees, timing, term, principal changes, compounding, and other conditions can differ. Compare the complete schedule and amount received, using the applicable disclosure definitions. A single rate does not establish the entire cost or feasibility.
Problem 2
Why does compounding differ from adding the same interest amount each period?
Answer and explanation
The rate applies to a changing balance including prior accumulated interest under the model. The second month adds $1.01, not $1, to the supplied $101 balance. Payments and contract rules can change the actual process.