The requirements of a linear programming problem are as follows:
a) Its objective is to maximize or minimize any quantity. In the company, profits are maximized and costs are minimized.
b) The existence of restrictions that limit the level of production and sale to be achieved. These restrictions are usually related to the number of factors available, such as material units, working hours, etc.
c) There must be different alternatives of choice, products and processes, so that the employer can choose when allocating their resources.
d) Both the objective function and the restrictions must be expressed in linear equations or inequalities