Problem 2: The management of Tech21 Inc. wants to reduce its labor cost by installing a new machine that would free up the time of two employees, allowing them to do other production work that is chargeable to customers. Two types of machines could be purchased that would do the job - machine A and machine B. Cost of machine Annual labor cost saving Expected life of machine Machine A $60,000 $10,000 10 years Machine B $40,000 $10,000 4 years Required: Draw a cash flow time line for each machine option. Which is the best machine to purchase according to payback method? The company requires a 3 year or shorter payback period. Which machine would you recommend? What other factors might influence the recommendation decision? List three or more