A grocer has a sales of Euro 520 , Euro 320 , Euro 480 , Euro 120 and Euro 720 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Euro 620?  Choose the correct option.
A) uro 4691	B) uro 1591	C) uro 2591	D) uro 1560	E) uro 1991
D   Euro 1560   Total sale for 5 months = Euro (520 + 320 + 480 + 120 + 720)= 
<gadget id="calculator">(520 + 320 + 480 + 120 + 720)</gadget>
<output>2_160</output>
Euro 2160.   Required sale= Euro [ (620 x 6) - 2160]   = Euro (3720- 2160)= 
<gadget id="calculator">(3720- 2160)</gadget>
<output>1_560</output>
Euro 1560.   Answer is uro 1560
<result>D</result>
A grocer has a sales of Euro 520 , Euro 320 , Euro 480 , Euro 120 and Euro 720 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Euro 620?