The following data pertains to activity and costs for two months: Activity level in units Direct materials Fixed factory rent Other production costs Total cost $17,00 June 10,000 $17,000 21,000 20,000 $58,000 July 11,000 $ ? ? $61,300 Assuming that these activity levels are within the relevant range, the other production costs for July were: (Round intermediate calculations to 2 decimal places.) Multiple Choice $21,600 0 $20,000 $20,000 $22,000 $19,500