A company is selling a certain commodity 'x'. The demand function for the commodity is linear. The company can sell 2000 units when the price is ₹8 per unit and it can sell 3000 units when the price is ₹4 per unit. The Marginal revenue at x = 5 is:

₹79.98 ₹15.96 ₹16.04 ₹80.02

₹15.96

The correct answer is Option (2) → ₹15.96