Imagine you are an entrepreneur running a business that sells products. Your goal is to maximize your profits. To do this, you must consider both the fixed costs (like rent and salaries) and the variable costs (like materials and production costs) associated with producing and selling your products. Formulate a linear equation or a linear inequality that represents total profit (revenue minus costs) as a function of the number of units of product sold. What strategies could you implement to optimize your earnings under this linear equation or inequality? Why