[10 points] Verona-6290 is a vocation school. The school bases its budgets on two measures of activity: number of students and number of courses. The school uses the following data in its budgeting: Fixed cost per Variable cost per Variable cost per month student course Faculty wages $4,000 $0 $20 Course supplies $1,000 $8 $55 Administrative $2,000 $20 $30 expenses In July, the school budgeted for 309 students and 19 courses. Actual results for the month appear below: Number of students 284 students Number of courses 10 courses Faculty wages $4,800 Course supplies $5,400 Administrative expenses $8,800 What was the school's spending variance for course supplies in July? Multiple Choice O $1,883 Favorable $883 Favorable O $1,578 Favorable O $2,578 Favorable