Two years ago, Sam put $1,000 into a savings account. At the end of the first year, his account had accrued $100 in interest bringing his total balance to $1,100. The next year, his account balance increased by 10%. At the end of the two years, by what percent has Sam's account balance increased from his initial deposit of $1,000 ?	Choices:  A) 19%  B) 20%  C) 21%  D) 22%  E) 25%
investment 1000 dollars   1 st year total gained = 100   total amount end of first year = 1100   second year account increased by 10 % = 1100*0.1= 
<gadget id="calculator">1100*0.1</gadget>
<output>110</output>
110   therefore total amount by second year end= 1210   so total percentage increase in money = (1210-1000)*100/1000= 
<gadget id="calculator">(1210-1000)*100/1000</gadget>
<output>21</output>
21 %   ANSWER:21%
<result>C</result>
Two years ago, Sam put $1,000 into a savings account. At the end of the first year, his account had accrued $100 in interest bringing his total balance to $1,100. The next year, his account balance increased by 10%. At the end of the two years, by what percent has Sam's account balance increased from his initial deposit of $1,000 ?