Alfred buys an old scooter for $4700 and spends $800 on its repairs. If he sells the scooter for $6000, his gain percent is? Choose the correct choice from the following answers:
A) 9.1%	B) 6.23%	C) 7%	D) 8.12%	E) 10%
C.P. = 4700+800= 
<gadget id="calculator">4700+800</gadget>
<output>5_500</output>
$5500   S.P.= $6000   Gain = 6000-5500= 
<gadget id="calculator">6000-5500</gadget>
<output>500</output>
$500   Gain%= 500/5500 * 100 = 9.1%   9.1%nswer is 9.1%
<result>A</result>
Alfred buys an old scooter for $4700 and spends $800 on its repairs. If he sells the scooter for $6000, his gain percent is?