(For 11-16) Schriever 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 budgetin Variable Element per Well Serviced $4,500 $1,100 $600 Fixed element per month evenue Employee salaries and wa $57,200 Servicing materials Other expenses $31,000 The planning budget for May was based on 36 wells serviced, but a total of 31 wells were actually serviced in May UsTis otsia ne bon o A) $22,500 F B) $20,300 F C) $22,500 U D) $20,300 U 12) The activity variance for "Employee salaries and wages" for May would have been closest to: A) $5,500 F B) S7,500F C) $5,500 U D) $7,500 U 13) The activity variance for "Servicing materials" for May would have been closest to: A) $2,800 U B) $3,000 F C) $2,8001F D) $3,000U 14) The activity variance for "Other expenses" for May would have been closest to: B) SO D) $4,767.74 U 15) The activity variance for total expenses for May would have been closest to: A) $200 U C) $200 F A) $10,500 F B) $8,500 F C) $10,500 U D) $8,500 U 16) The activity variance for net operating income for May would have been closest to: A) $9,800 U B) $9,800 F C) $14,000 U D) $14,000 F