please show all calculation and formula

# Bukit Katil Sdn Bhd is evaluating two alternatives; the purchase of an automatic painting system or a semi-automatic painting system for a bicycle body paint process. Two person will operate the automatic painting machine. However, because of manual material handling, the semi-automatic painting system require four workers to operate the system. Table 3 shows the system information. The company estimate production output is 800 units per year with expected rate of return of 8% per year. Evaluate this option with suitable graph for recommendation to the company whether to purchase an automatic or a semi-automatic painting system. (25 marks) Table 3: System Information AUTOMATIC PAINTING SYSTEM SEMI AUTOMATIC PAINTING SYSTEM 45,000 20,000 8,000 4,000 8 4 First Cost, RM Salvage, RM Life, years Labor Cost, RM per hour Output, units per hour Annual Maintenance Cost, 30 20 10 5 1,000 for first year and increase 500 every year 2,000