An man deposited $10000 in his bank account with a compound interest rate of 20%. How many years it will take to get the amount increased by 50%? Choose the correct choice from the following:
A) 1	B) 2	C) 3	D) 4	E) 5
1 year:  100/4= 
<gadget id="calculator"> 100/4</gadget>
<output>25</output>
$25: Total: 125   2nd year: 125/4= $31: Total: 125+31= 
<gadget id="calculator">125+31</gadget>
<output>156</output>
156 &gt;150   ANSWER:2 - 2 years
<result>B</result>
An man deposited $10000 in his bank account with a compound interest rate of 20%. How many years it will take to get the amount increased by 50%?