Helena Company needs to increase its profits and so has embarked on a program to increase its overall productivity. After one year of operation, Kent Olson, manager of the Columbus plant, reported the following results for the base period and its most recent year of operations: 20x1 20x2 185,600 216,800 Output Power (quantity used) Materials (quantity used) 18,560 11,100 46,400 48,500 Required: 1. Compute the productivity profiles for each year. If required, round your answers to two decimal places. 20x1 20x2 Power Materials 2a. Did productivity improve? 2b. Explain why or why not. An increase in output-input ratios reflects a productivity improvement A decrease in output-input ratios reflects a productivity improvement An increase in output signals a productivity improvement