If $5,000 is invested in an account at a simple annual rate of r percent, the interest is $250. When $20,000 is invested at the same interest rate, what is the interest from the investment? Choose the correct choice from the following choices.
A) $700	B) $750	C) $800	D) $1000	E) $900
-&gt; 250/5,000=5% and 20,000*5%=1000.   Thus, $1000 is the answer.
<result>D</result>
If $5,000 is invested in an account at a simple annual rate of r percent, the interest is $250. When $20,000 is invested at the same interest rate, what is the interest from the investment?