The Following Graph Shows the Demands and Marginal Revenue in Two

The following graph shows the demands and marginal revenue in two markets,1 and 2,for a price discriminating firm along with total marginal revenue,MR_T,and marginal cost. What price should the firm charge in each market?

A) P₁ = $20,P₂ = $32.50
B) P₁ = $35,P₂ = $22.50
C) P₁ = $20,P₂ = $20
D) P₁ = $27.50,P₂ = $35
E) Impossible to say because market demand is not given