please answer all 5! will thumbs up! answer quickly if possible!

Which of the following statements is correct? O a. Companies should minimize situations where supplier interprets statements and opinions offered by non-purchasing personnel. O b. It is unethical to include a clause in an employee's employment contract prohibiting employment with a competitor or a supplier for a specified period. O c. Buyers should give preference to suppliers who hire buying firm's former employees. O d. Companies should encourage all visits to suppliers to foster close buyer-supplier relationships Which of the following statements is correct? O a. One potential outcome of category management is minimized risk to the buying firm. O b. Every sourcing decision is a strategic one. O c. All of these statements are correct. O d. An RFx document is needed for every requirement Which of the following statements is correct? O a. Publicized labor violations at supplier factories can harm the buying firm's reputation. b. The most important supplier evaluation criteria is cost. O c. Only quantidrive factors can be considered in supplier evaluation O d. Buying firms should always choose to work with the most profitable suppliers since they have good financial health. Which of the following statements is correct? a. The mission and vision of the sourcing and procumbent function does not need to align with the organization's business mission statement. O b. After a contract is signed with a supplier, the buyer is done with the purchasing process. O c. Suppliers may be selected beyond an organization's national border. O d. Every buyer-supplier relationship should be valued and the same amount of efforts should be devoted to maintaining each and every relationship. Which of the following statements is incorrect? O a. Supplier quality can dramatically impact buying firm quality O b. Companies need to monitor supply base for risk exposure and develop business continuity plans to mitigate potential risks O c. Supply management cannot contribute to a firm's competitive advantage O d. Non-core competencies are candidates for outsourcing to the experts