Assuming that 1 operator working on a job will be replaced by a robot. The operator will work 2000 hrs / year. Assuming the operator costs 11 L.E./hr. Cost of the robot and accessories = 20,000 L.E. Robot life period = 5 years. Total operation cost / year = 3000 L.E. Maintenance cost = 2000 L.E. / year. labing 1. Calculate the Net Savings / year 2. Calculate the annual rate of return = savings / initial investments ST