Which brand earned the maximum revenue before tax?
D
Revenue earned before tax = Number of units sold × Unit Price
Revenue earned by brand A
=(18×25000100)×14500=65,250,000
Revenue earned by brand B
=(14×25000100)×16000=56,000,000
Similarly, revenue earned by C =66,000,000.
Revenue earned by D =(26×25000100)×13000=84,500,000
Revenue earned by E =67500000.
So, maximum revenue is earned by D.