1. The charge for the privilege of borrowing money, typically expressed as an annual percentage rate.
2. The amount of ownership a stockholder has in a company, usually expressed as a percentage.
Interest is commonly calculated using one of two methods: simple interest calculation, or compound interest calculation.
Taobiz explains Interest
1. Lenders make money from interest, borrowers pay it.
2. Someone who holds more than 5-10% of the stock in a company is said to hold significant interest.
