HyperNet Systems is a start-up company that makes connectors for high-speed Internet connections. The company has budgeted variable costs of $150 for each connector and fixed costs of $6,500 per month. HyperNet's static budget predicted production and sales of 100 connectors in August, but the company actually produced and sold only 74 connectors at a total cost of $25,000. HyperNet's sales volume variance for total costs is O A. $7,400 F. O B. $7,400 U. O C. $3,900 U. OD. $3,900 F