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Bob Carlton's golf camp estimates the workforce requirements for its services over the next two years in the accompanying table. Click the icon to view the workforce requirements. Assume that Carlton is permitted to employ some uncertified, part-time instructors, provided they represent no more than 15 percent of the total workforce hours in any quarter. Each part-time instructor can work up to 240 hours per quarter, with no overtime or undertime cost. Labor costs for part-time instructors are $11 per hour. Hiring and training costs are $1,500 per uncertified instructor, and there are no layoff costs. a. Consider the following proposed low-cost, mixed-strategy plan: PT Cert Cert Work PT PT Workforce Hires Layoffs Hours Hires Fires Quarter Overtime (hours) 1 2 720 3 880 2 Demand (hours) 4,200 6,400 3,000 4,800 4,400 6,240 3,600 4,800 3 240 4 5 6 10 8 8 8 10 8 8 69 720 560 720 2 720 2 8 Total 720 3,440 240 2,080 4 4 9 6 Total cost for this plan would be (Enter your response as an integer.) b. Having a workforce consisting of both regular and temporary employees A. reduces hiring and firing of certified instructors. O B. reduces overtime. O C. reduces total costs. OD. a and b only. O E. b and c only OF. all of the above. 2 Quarter 3 4 5 6 7 8 Demand(hours) 4,200 6,400 3,000 4,800 4,400 6,240 3,600 4,800 Each certified instructor puts in 480 hours per quarter regular time and can work an additional 120 hours overtime. Regular-time wages and benefits cost Carlton $7,200 per employee per quarter for regular time worked up to 480 hours, with an overtime cost of $20 per hour. Unused regular time for certified instructors is paid at $15 per hour. There is no cost for unused overtime capacity. The cost of hiring, training, and certifying a new employee is $10,000. Layoff costs are $4,000 per employee. Currently 8 employees work in this capacity