The option that is not included in the marginal cost of a production decision is: the fixed salary of the site manager. Option A
The term "marginal cost" describes the rise in manufacturing costs brought on by the creation of more product units. A different name for it is the marginal cost of production. Businesses may evaluate how volume produced affects cost and eventually profits by calculating the marginal cost.
The additional cost to produce a new good is known as the marginal cost. Say, for illustration, that it costs $100 to produce 100 vehicle tires. It would cost $80 to produce one more tire. The cost to produce one extra unit of a good or service is then known as the marginal cost. The marginal cost is determined by the production expenses.
The following is the formula for determining marginal cost: Cost change minus quantity change equals marginal cost.
Read more on marginal cost here:https://brainly.com/question/16887341
#SPJ1
