River Pollution Externalities | How to Get Top Marks | Edexcel A Level Economics | 4 Marker

[@francescacastellucci4400]

thank you for your explanation, i have a question. IF i know that my MC = x (given by the exercise), and mc increased 1$ for each unit how i can change the function? MC= x+1 doesn't seam right, MC= x+ x1 doesnt seam right too