This table shows the resources utilized in producing Product A inPeriod 1 and Period 2. After adjusting for price and volume changes, how many percent of the profitability changes is due to productivity improvement?
Period1 Period 2
Output Amount Price Amount Price
22.3 $20.0 24.4 $22.0
Inputs
Materials (lb) 25.99 $1.3 26.08 $1.4
Energy (kwh) 200.00 $0.04 193.92 $0.04
Labor (hrs) 51.30 $5.0 56.19 $5.50