please answer all 5 questions and i will thumbs up. Somebody else posted these questions but the answers are wrong. Make sure these are correct thanks!

Which of the following is not a future trend in purchasing? O a. Decentralized purchasing O b. Use of Al and algorithms for information processing and most office jobs O c. Center-led structures O d. Flatter hierarchies Which of the following is not an advantage of supplier rationalization and optimization? O a. Ability to pursue more effective supply management strategies O b. Lower total product cost O c. Buying from local suppliers O d. Lower supply base administrative costs Which of the following is not a reason for a firm to buy a product from other companies? O a. There are a number of competent suppliers available to produce the desired product O b. The firm has insufficient capacity O c. There are suppliers who can produce the good less expensively than the buying firm O d. To protect proprietary property or technology Which of the following practices can help companies reduce sourcing risk? O a. Sole sourcing O b. Multiple sourcing O c. Purchase from small suppliers O d. Single sourcing Which of the following should be avoided with strategic suppliers? O a. Expecting suppliers to contribute to innovative ideas to add value O b. Jointly reducing costs with suppliers O c. Hard bargaining for price reductions O d. Early supplier involvement