Miller and Sons' static budget for 10,000 units of production includes $50,000 for direct materials, $44,000 for direct labor, variable utilities of $5,000, and supervisor salaries of $24,000. A flexible budget for 12,000 units of production would show the

a)same cost structure in total

b) direct materials of $60,000, direct labor of $52,800, utilities of $6,000, and supervisor salaries of $29,000

c) direct materials of $60,000, direct labor of $52,800, utilities of $6,000, and supervisor salaries of $24,000

d) total variable costs of $148,000