The provided content is about the concept of implicit costs and profits in economics. A company has a machine that costs $1000 to rent, and employs five workers who earn $20 each per hour, with an average work hour of 10 hours per day. The total variable cost is $500, while the fixed cost is $2500. The revenue generated from selling products at a price of $4000 per unit is $12000. However, after considering a penalty cut, the economic profit decreases to $7200. The concept of implicit costs refers to the opportunity cost of using resources in one way over another. It can be calculated by subtracting the total variable and fixed costs from the revenue generated. In this case, the implicit cost is the money withdrawn by the owner ($400).