I am doing this question and I got it wrong. I am reviewing it because it will be on my further assessment. I understand now why it's wrong and o under stand why the second option is wrong. But I am stuck between the third option and the fourth option. I was wondering which would be correct and why

0 out of 1 points Copy of MR D2 MRz E P .......... Dollars a -D2 MR2 Q MR Quantity Refer to the diagram for a non collusive oligopolist. We assume that the firm is initially in equilibrium at point E, where the equilibrium price and quantity are P and Q. If the firm's rivals will ignore any price increase but match any price reduction, the firm's marginal revenue curve will be (moving from left to right) Selected Answer: DIED2. Answers: DIED2. MR2abMR1. MR2aMR2. MR1bMR1