A book is bought for $600 and sold for $624. What is the profit in percentage?  Choose the correct choice from the following options.
A) 2
B) 4
C) 6
D) 8
E) 10
624/600= 
<gadget id="calculator">624/600</gadget>
<output>26/25 = around 1.04</output>
1.04   The answer is 4.
<result>B</result>
A book is bought for $600 and sold for $624. What is the profit in percentage?