MetaPro Systems is a start-up company that makes connectors for high-speed Internet connections. The company has budgeted variable costs of $140 for each connector and fixed costs of $4,500 per month. MetaPro's static budget predicted production and sales of 100 connectors in August, but the company actually produced and sold only 72 connectors at a total cost of $24,000. MetaPro's flexible budget variance for total costs is O A. $3,920 U. OB. $9,420 U. O c. $9,420 F