Lochner corporation is an oil well service company that measures its output by the number of wells serviced. the company has provided the following fixed and variable cost estimates that it uses for budgeting purposes and the actual results of operations for june. fixed element per month variable element per well serviced actual total for june revenue $ 5,600 $ 148,000 employee salaries and wages $ 40,600 $ 1,200 $ 73,700 servicing materials $ 500 $ 13,600 other expenses $ 42,800 $ 43,300 when the company prepared its planning budget at the beginning of june, it assumed that 24 wells would have been serviced. however, 26 wells were actually serviced during june. the activity variance for revenue for june would have been closest to: