The cost of energy consumed in producing units in the Bottling Department of Mountain Springs Water Company was $1,411 and $1,488 for June and July, respectively. The number of equivalent units produced in June and July was 8,300 and 9,300 liters, respectively. Evaluate the change in the cost of energy between the two months. Round your answers to the nearest cent. Energy costs per liter, June Energy costs per liter, July The cost of energy has by $