The cost of energy consumed in producing units in the Bottling Department of Mountain Springs Water Company was $1,140 and $1,020 for June and July, respectively. The number of equivalent units produced in June and July was 7,600 and 8,500 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 $fill in the blank 1 Energy costs per liter, July $fill in the blank 2 The cost of energy has by $fill in the blank 4