Assume there is one consumer of each type, i.e., one consumer of type 1, one consumer of type 2 and 1 consumer of type 3. Even if you assume 5 consumers of each type or 50 or 1000, the total revenue from 5 consumers is just 5 multiplied by total revenue from 1 consumer, and so on.

Consumer Type Product X Product Y $90 $ 60 70 140 W N 40 160