The answer is $2,250. (D). To get the answer you do 2,499-249= 2,250. Hope this helps!!
1200 - 450 = 750 liters that he needs to fill up
81.5 x 750 = €61,125
€61,125 x 0.075 = €4,584.38 (discount as a loyal customer)
total paid with discount = €61,125 - €4,584.38 = €56,540.62
answer
Mr. Leonard gets €4,584.38 discount on his purchase
The median is 52, so the answer would be B.