Goldman Inc. uses a flexible budgeting system to plan for its manufacturing operations. The static budget for 9,000 units of production provides for direct labor at $5 per unit and variable electric at $0.60 per unit. Fixed costs are electric power, $1,000, and supervisor salaries of $17,500. 19. Variable costs for 10,000 units of production are _____________. 20. Fixed costs for 10,000 units of production are _____________.