A manager checked production records and found that a worker produced 220 units while working 50 hours. In the previous week, the same worker produced 148 units while working 40 hours. a. Compute Current period productivity and Previous period productivity. (Round your answers to 2 decimal places.) Current period productivity Previous period productivity Units/hour Units/hour b. Did the worker's productivity increase, decrease or remain the same? (Round your intermediate calculations and final answer to 2 decimal places.) Worker's productivity by %