Answer:
maximum revenue is 25000
Explanation:
The revenue function for a bicycle shop is given by R(x)=x⋅p(x)
Given


Plug in p(x) in R(x)


Now find out the vertex using formula x=-b/2a
a= -0.4, b=200

Plug in 250 for x in R(x)


So maximum revenue is 25000