a) Citing examples, explain how implementing a staff appraisal system in the Procurement Department of the Botswana Open University, could help improve the performance of staff. b) Hiring a business consultant can provide many benefits to a company. Some of the most important benefits include taking advantage of an outside perspective, utilizing insight and expertise picked up from other clients and industries, receiving help creating plans as well as the resources to make them happen, and much more. List any five (5) consulting skills one has to possess to impress clients.