The correct answer is difference between.The profit of a firm is the difference between the total revenue earned and the total cost incurred.Profit is the surplus left from revenue after paying all costs.Profit is found by deducting total costs from revenue.Profit = Total revenue - Total costsRevenue is the amount of money that a business brings in by selling its goods or services at a certain price.The total revenue represents the total amount of money earned by a business, and marginal revenue refers to the increase in revenue achieved by selling one additional unit of a product or service.Total cost is all the costs incurred in producing something or engaging in an activity.