company reports the following data for one of its
products for the first two quarters of year 2022:
Quarter 1, 2022 Quarter 2, 2022
Output: Sales 413,250 units sold at $10 per unit 440,000 units sold at $9.50 per unit
Inputs: Labor 3,325 labor-hours at $16 per labor-
hour
3,600 labor-hours at $16 per labor-
hour
Machine 8,130 machine-hours at $8 per
machine-hour
8,500 machine-hours at $8 per
machine-hour
Raw Materials 4,050 pounds at $3 per pound 4,350 pounds at $3 per pound
Energy 6,600 kWhs at $0.14 per kWh 7,100 kWhs at $0.14 per kWh
Other Costs $5,745 $6,835
a. Calculate the energy productivities (expressed in units sold per dollar invested in energy) in
quarters 1 and 2. Find the percentage change in energy productivity from quarter 1 to quarter 2.