ou are responsible for a company's international ship- ping operation that involves following tasks with their durations in parentheses: T: transport a product from storage to the shipping zone (20 minutes); Q: quality check (10 minutes); S: safety inspection (10 minutes); D: prepare shipping documents (30 minutes); E: export control review (30 minutes); P: package the product (24 minutes); M: preparing shipping materials and postage (10 minutes). These tasks must be carried out in the following order product transportation and document preparation can start immed