humanize text: After analyzing the existing and new process metrics, the productivity gains can be evaluated as follows. The old process produced 60 fittings per hour with five employees, which equates to 12 fittings per hour per employee. The new process expects to increase production by 25%, resulting in an output of 75 fittings per hour with six employees. This means that the output per labor hour has increased from 12 fittings to 12.5 fittings. Therefore, the productivity gains amount to 4.17%