What is the maximum marginal cost that your company should pay on producing additional detergents?

your company must pay $2 million each year for environmental liability insurance. It must also pay $1 million per year in rent for the building in which the factory operates. This year, after paying both costs, your marketing department comes to you with the following information: “Boss, if we simply sell the quantity of detergents currently stored in our warehouses, without producing new ones, our sales will be $9 million. But if we produce and sell additional detergents our total sales will increase to $15 million. We have estimated that it will cost the company $8 million more to hire the workers needed to produce the additional detergents.”

Given the information provided, the maximum marginal cost that your company should pay on producing additional detergents is $8 million. This is the cost of hiring the workers needed to produce the additional detergents.