Joshua is right because fixed costs are unavoidable but marginal costs are not.
Step-by-step explanation:
Decision making plays an important role while considering the development of the organization. The officials in the company should act smartly in making decisions during crucial situation.
Marginal cost is the cost added to the total cost while producing additional units. Fixed cost is the cost of the product that does not change with the increase or decrease in the quantity of the products.
In the above scenario, Jasmine and Joshua were discussing about the cost of the products that are produced in their manufacturing plants. They were discussing about the marginal cost and fixed cost.