Which of the following graphs best describes the temperature in a large North American city over the course of a year? 
Definitions:
Quarterly
Occurring or done every three months.
Compounded
A method of calculating interest where previously earned interest is added to the principal amount, and then future interest is calculated on the new total.
Quarterly
Occurring every three months or four times a year.
Annuity
An investment vehicle that provides a consistent series of disbursements to a person, often employed in retirement planning.
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