The costs of energy consumed in producing good units in the Bottling Department were $32,076 and $38,560 for August and September, respectively. The number of equivalent units produced in August and September were 89,100 ounces, and 96,400 ounces, respectively. Evaluate the change in the cost of energy between the two months. Round all answers to the nearest whole cent. Energy cost per ounce, August $ Energy cost per ounce, September $ The cost of energy has appeared to by $ per ounce between August and September.