a) Within MRP, several hundred components and semi-finished products that are included in a number of products are often treated. Describe how product structure and gross needs are related to each other. In what order should the tableaux be calculated? How many MRP tables are needed for each component?

b) Suppose you have just become responsible for a machine that produces white paint in 3-liter cans. You have received an indication from dissatisfied customers that the contents of the cans are often less than 3 liters and you have also been told from the production that no control is made on the volume of the contents. Describe how you should, in a systematic way, control and change this manufacturing process so that the manufacturing meets both the company's and customers' requirements. specifications like what?