Reyno Corporation is a service company that measures its output by the number of customers sorved. The compony has provided the following fixed and variable cost estimates that it uses for budgeting purposes and the actual results of operations for July. When the company prepared its planning budget at the beginning of July, it assumed that 27 customers would have been served. However, 22 customers were actually served during July. he activity variance for net operating income for July would have been closest to