1 pointsSave A Korsak Corporation is a service company that measures its output by the number of customers served. The company has provided the following fxed and variable cost eatimates tha for budgeting purposes. Fixed Variable Element Element per per Custoner Revenue Enployee salaries and vages Served S, 500 1,100 s 500 43,700 43,200 Otber expenes The planning budget for October wan based on serving 23 customers, but a total of 19 customers wore actualy served during October to: The activity variance for "Other exponses for October would have beon c s8. 126.32 u $800 U OS800 F so