Interperiod Measurement of Productivity, Profit-Linked Measurement 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: Output Power (quantity used) Materials (quantity used) 20x1 20x2 184,300. 217,000 23,038 10,600 46,075 47,800 Suppose the following input prices are provided for each year: Unit price (power) Unit price (materials) Unit selling price 20x1 20x2 $4 $5 20 19 10 12 22