A seller uses 800gm in place of 1kg to sell his goods. Find his actual % profit or loss, when he sells his article his article on 10% gain on cost price?
Pick one:
A) 32.5%	B) 37.5%	C) 35%	D) 40%	E) 50%
Selling price of 800gm = 100+10= 
<gadget id="calculator">100+10</gadget>
<output>110</output>
$110   Profit= 110-80= 
<gadget id="calculator">110-80</gadget>
<output>30</output>
$30   % of profit= 30*100/80= 
<gadget id="calculator">30*100/80</gadget>
<output>75/2 = around 37.5</output>
37.5 %   Answer is 37.5%
<result>B</result>
A seller uses 800gm in place of 1kg to sell his goods. Find his actual % profit or loss, when he sells his article his article on 10% gain on cost price?