PROBLEM-1. (15 Pts) Vaccination is a simple, safe, and effective way of protecting people against harmful diseases, before they come into contact with them. It uses your body's natural defenses to build resistance to specific infections and makes your immune system stronger. The ABC company purchases a vaccine named X to supply their customer hospitals and pharmacies. The ABC company purchases the vaccine X at a weekly rate of 800 packages of vaccines per week, and the company uses a 12 percent annual interest rate to compute holding costs. The vaccines can be purchased from two suppliers, Q and R. Supplier offers the following "all- units discount schedule": Order size Price per unit (TL) OSQ