If xerox paper costs 5 cents a sheet and a buyer gets 10% discount on all xerox paper one buys after the first 2000 papers and 20% discount after first 10000 papers, how much will it cost to buy 45000 sheets of xerox paper? Choices:
A) $1250	B) $1060	C) $1350	D) $900	E) $2100
30 sec approach - solve it using approximation   45000 sheet at full price, 5 cent = 2250   45000 sheet at max discount price, 4 cent = 2000   Your ans got to be between these two.   Ans $2100 it is.
<result>E</result>
If xerox paper costs 5 cents a sheet and a buyer gets 10% discount on all xerox paper one buys after the first 2000 papers and 20% discount after first 10000 papers, how much will it cost to buy 45000 sheets of xerox paper?