8. King County Snow Removal's cost formula for its vehicle operating cost is $2,510 per month plus $371 per snow-day. For the first quarter, the company planned for activity of 50 snow-days, but the actual level of activity was 58 snow-days. The actual vehicle operating cost for the month was $23,518. What is the planned budget vehicle operating cost and the flexible budget vehicle operating cost for the quarter? What is the spending variance and the activity variance? Planned budget Flexible budget Spending Variance Activity Variance