please answer all 5 quickly! will thumbs up!

The user manual for the purchasing process at University of Nevada, Las Vegas should be part of its O a purchasing policies O b. purchasing procedures O c. purchasing strategies O d. purchasing requisitions When prices are at the peak, it is wise for the buying firm to do all of the following except: O a. Sign a longer-term contract O b. Sign a shorter-term contract O c. Reduce purchase order size O d. Delay the purchase if possible Which of the following is an advantage of a centralized purchasing department? O a. Less bureaucracy O b. Quantity discounts O c. Local sourcing O d. Better knowledge of unit requirements Which of the following is not a good practice to foster strong buyer-supplier relationships? O a. All of these are good practices O b. Treat suppliers fairly and with integrity O c. Support and develop suppliers motivated to improve O d. Develop open communications channels O e. Provide prompt payment on invoices Which of the following is not an objective of the purchasing function? O a. Maintain a qualified purchasing staff and develop professional capabilities of that staff O b. Purchase materials and services that comply with engineering and quality standards O c. Find the lowest-cost product or service for every requirement O d. Support all corporate objectives and policies O e. Promote buyer-supplier relations and encourage supplier contribution