The interest rate on the loan is 5% p.a.

Compound interest is a powerful financial concept.

The interest rate is 5% per annum.

The interest rate on the loan is very high.

The councilman represents the interests of the farmers in the town.

He has a deep interest in philology.

I am very interested in athletics.

I have zilch interest in that movie.

Having common interests is important in a relationship.

I found an interesting booklet at the bookstore.