Your response must be at least 200 words in length per question. 1. What is workforce planning? Explain the basic tools for projecting personnel needs (labor demand). 2. Discuss the pros and cons associated with using internal sources of job candidates. 3. Discuss the job dimensions that can be measured by the graphic-rating scale method of performance appraisal. Identify the problems that are associated with graphic-rating scales. 4. Explain the four basic types of appraisal interviews. Discuss how potential bias can be minimized in the appraisal process