An economist sells in two segmented market, X and Y with inverse demand curves given by:

Px= 100-Qx

Py= 100-4 Qy

The economists marginal cost is constant and the same for both markets. If the economist had the option to set different prices, what would be the formula for profit- maximizing prices Px and Py?

a.)Px > Py

b.)none of the answers

c.)Py>Px

d.) Px=Py