A single discount equivalent to the discount series of 20%, 10% and 8% is? Select:  A) 31.5  B) 33.8  C) 31.6  D) 31.3  E) 31.1
100*(80/100)*(90/100)*(92/100)   = 66.2   100 - 66.2= 
<gadget id="calculator">100 - 66.2</gadget>
<output>33.8</output>
33.8   Answer:33.8
<result>B</result>
A single discount equivalent to the discount series of 20%, 10% and 8% is?