To complete a project you can either buy a machine at the beginning of a 3 year period, or hire 10 employees at the beginning of a 3 year period. Employee costs (salary and benefits) are $5, 000 at the end of each month for 3 years. You can sell the machine at the end of 3 years for 10% of its original purchase price. What is the maximum price that it makes sense to pay for the machine if effective monthly interest is at j = 0.4%? show work please