True-false statements Choose from the statements below which are true and which are false, and give a brief explanation of your choice under each statement.

1.) The total cost concept is not intended to minimize all sub-costs.
2.) The risk of outsourcing can be the outflow of information from the company.
3.) A cooperating supplier relationship is always more efficient than a competitor.
4.) Supplier evaluation is not only necessary when purchasing a new product.
5.) MRP is made in a pull system before DRP.
6.) The products of an ISO certified company are definitely of good quality.
7.) The goal of lean logistics is to get the best possible product and service for the customer.
8.) When ordering, it is not certain that planning based on the FIFO principle is as expedient as possible.