Rose incurs $7,200 per month in fixed costs operating her floral shop. She pays her employees $9 per hour and had three assistants working 120 hours this month. Her other variable costs were $800 this month. What are Rose's total variable costs and total costs this month?

• A. Total variable costs are $800; total costs are $8,000
• B. Total variable costs are $800; total costs are $11,240
• C. Total variable costs are $3,240; total costs are $11,240
• D. Total variable costs are $4,040; total costs are $11,240