Pickrel Corporation is an oil well fixed and variable cost estimates that it uses for budgeting purposes service company that measures its output by the number of wells serviced. The company has provided the following Variable Fixed Element per Element Well Serviced 5,500 $1,300 points per Month Revenue Employee salaries and wages Servicing naterials Other expenses $53,700 600 $34,400 When the company prepared its planning budget at the beginning of November, t assumed thot 27 wells would have been serviced. However. 31 wels were actually serviced during November The amount shown for net operating income in the planning budget for November would have been closest to