If $30,000 interest is invested in 10 percent simple annual interest for 2 years, which of the following represents the total amount of interest, in dollars, that will be earned by this investment in the 2 years?  Choose one:
A) $6000 B) $4000 C) $5000 D) $3000 E) $2000
30000*10/100*2= 
<gadget id="calculator">30000*10/100*2</gadget>
<output>6_000</output>
$6000   $6000nswer : $6000
<result>A</result>
If $30,000 interest is invested in 10 percent simple annual interest for 2 years, which of the following represents the total amount of interest, in dollars, that will be earned by this investment in the 2 years?