Miller and Sons' static budget for 9,500 units of production includes $37,200 for direct materials, $50,400 for direct labor, variable utilities of $6,700, and supervisor salaries of $14,500. A flexible budget for 12,000 units of production would show Round your final answer to the nearest dollar. Do not round interim calculations. a. the same cost structure in total b. direct materials of $46,989, direct labor of $63,663, utilities of $8,463, and supervisor salaries of $14,500 c. direct materials of $46,989, direct labor of $63,663, utilities of $8,463, and supervisor salaries of $17,400 d. total variable costs of $108,800