An interest rate which is quoted by brokers, banks and other financial institutions is classified as

The correct answer is C. nominal rate.

A nominal rate is an interest rate that is not adjusted for inflation. It is the rate that is quoted by brokers, banks and other financial institutions.

An annuity rate is the rate of interest that is paid on an annuity. An annuity is a series of equal payments that are made over a period of time.

A perpetuity rate is the rate of interest that is paid on a perpetuity. A perpetuity is a series of equal payments that are made forever.

An external rate of return is the rate of return that is earned on an investment that is made outside of the company.

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