A sum of money deposited at compound interest (compounded yearly) amounts to $600 in 2 years and to $624 in 3 years. What is the interest rate?	Choose the correct choice from the following:	A) 2%	B) 4%	C) 6%	D) 7%	E) 8%
624 - 600= 
<gadget id="calculator">624 - 600</gadget>
<output>24</output>
24   24/600= 
<gadget id="calculator">24/600</gadget>
<output>1/25 = around 0.04</output>
0.04= 4%   The answer is 4%.
<result>B</result>
A sum of money deposited at compound interest (compounded yearly) amounts to $600 in 2 years and to $624 in 3 years. What is the interest rate?