a person bought 135 glass bowls at a rate of rs. 15 per bowl. he sold 115 of them at rs. 18 and the remaining broke. what is the percentage gain for a?	Choose the correct choice from the following options:
A) 40	B) 30 / 11	C) 20 / 9	D) 27 / 11	E) 29 / 8
<gadget id="calculator">115 * 18</gadget>
<output>2_070</output>

<gadget id="calculator">135 * 15</gadget>
<output>2_025</output>

<gadget id="calculator">2_070 - 2_025</gadget>
<output>45</output>

<gadget id="calculator">45 / 2_025</gadget>
<output>1/45 = around 0.022222</output>

<gadget id="calculator">(1/45) * 100</gadget>
<output>20/9 = around 2.222222</output>

<result>C</result>
a person bought 135 glass bowls at a rate of rs. 15 per bowl. he sold 115 of them at rs. 18 and the remaining broke. what is the percentage gain for a?
multiply(divide(subtract(multiply(115, 18), multiply(135, 15)), multiply(135, 15)), const_100)
"cp = 135 * 15 = 2025 and sp = 115 * 18 = 2070 gain % = 100 * ( 2070 - 2025 ) / 2025 = 20 / 9 answer : c"