A single discount equivalent to the discount series of 20%, 12% and 5% is?	Choose the correct option
A) 33.12	B) 31.1	C) 31.6	D) 31.2	E) 31.9
Explanation:   100*(80/100)*(88/100)*(95/100)= 
<gadget id="calculator">100*(80/100)*(88/100)*(95/100)</gadget>
<output>1_672/25 = around 66.88</output>
66.88   100 - 66.88= 
<gadget id="calculator">100 - 66.88</gadget>
<output>33.12</output>
33.12   33.12nswer: 33.12
<result>A</result>
A single discount equivalent to the discount series of 20%, 12% and 5% is?