A sum of money deposited at compound interest (compounded yearly) amounts to $3200 in 2 years and to $3296 in 3 years. What is the interest rate?  Choose the correct choice from the following choices
A) 2%	B) 3%	C) 4%	D) 5%	E) 6%
3296 - 3200= 
<gadget id="calculator">3296 - 3200</gadget>
<output>96</output>
96   96 / 3200= 
<gadget id="calculator">96 / 3200</gadget>
<output>3/100 = around 0.03</output>
0.03= 3%   The answer is 3%.
<result>B</result>
A sum of money deposited at compound interest (compounded yearly) amounts to $3200 in 2 years and to $3296 in 3 years. What is the interest rate?