Production capacity issues involved in a series of important decisions that will determine the total investment and operating costs of the plant. To sum up, these decisions include: the level of sales in different periods associated with the production size; a few shifts most economic decisions; determine how much of the remaining reserved for factory production capacity is economical. In the given period, the company's financial situation often limits the ability to get the best production. With limited funds, companies must often invest available funds to make the right choice: for advertising and promotion, or for product development or renewal of equipment.