Jenna saves $2,500 per year in an account that earns 10% interest per year, compounded annually. In 30 years, Jenna will have saved ________. Her account balance is a result of Jenna’s ________.
a) $250,000; compounded interest
b) $200,000; simple interest
c) $275,000; compounded interest
d) $220,000; simple interest