pls show all work thank you :)

8) Your company is currently producing a component that takes 4 minutes of labor. Your company requires 320,000 pieces per year. Assuming each worker works 2000 hours a year and each worker eams $25 per hour. You research and find a machine tool that can produce the part in 1 minute. The cost of the machine is $275,000. At an interest rate of 6% and a payback time of 3 years or less can you recommend the machine? 9) You are offered two jobs upon graduation. Job 1 offers $75,000 and you expect to get an annual increase of 5% Job 2 offers $70,000 and you expect to get an annual increase of 8% Assume you think you will stay at each job 4 years - based on anmual worth which job is worth more financially