We made a down payment of $50 and borrowed the balance on a new oven which cost $300. The balance with interest was paid in 23 monthly payments of $11 each and a final payment of $27. The amount of interest paid was what percent of the amount borrowed?	Pick one:
A) 10%
B) 12%
C) 14%
D) 16%
E) 18%
We borrowed $250.   To pay back this loan, we paid 23*$11 + $27=$280.   The interest was $280-$25023* 11 +  27= 
<gadget id="calculator">23* 11 +  27</gadget>
<output>280</output>
$280.   The interest was $280-$250=$30.   The percentage was $30/$250280- 250= 
<gadget id="calculator">280- 250</gadget>
<output>30</output>
$30.   The percentage was $30/$250=0.12  30/ 250= 
<gadget id="calculator">  30/ 250</gadget>
<output>3/25 = around 0.12</output>
0.12=12%.   The answer is 12%.
<result>B</result>
We made a down payment of $50 and borrowed the balance on a new oven which cost $300. The balance with interest was paid in 23 monthly payments of $11 each and a final payment of $27. The amount of interest paid was what percent of the amount borrowed?