Can you show me how to get each answer?

The following data apply to questions 11 - 15. Sebastian Company, which manufactures electrical switches, uses a standard cost system and carries all inventories at standard. The standard manufacturing overhead costs per switch are based on direct labor hours and are shown below: Variable overhead (5 hours @ $12 per direct manufacturing labor hour) $60 Fixed overhead (5 hours @ $15* per direct manufacturing labor hour) 75 Total overhead per switch *Based on capacity of 200,000 direct manufacturing labor hours per month $135 The following information is available for the month of December: 46,000 switches were produced although 40,000 switches were scheduled to be produced. 225,000 direct manufacturing labor hours were worked at a total cost of $5,625,000. Variable manufacturing overhead costs were $2,750,000. Fixed manufacturing overhead costs were $3,050,000. 11. The variable overhead spending variance for December was oso $50,000 U. $350,000 U. $10,000 F. $60,000 F. none of the above 12. The variable manufacturing overhead efficiency variance for December was Sodo $50,000 U. $350,000 U. $10,000 F. $60,000 F. none of the above ACCT1112_201451 Revision 13. The fixed manufacturing overhead spending variance for December was $450,000 F $400,000 F. $50,000 U. $775,000 F. none of the above 14. The fixed overhead production volume variance for December was $450,000 F. $400,000 F. $50,000 U. $775,000 F. none of the above 15. What amount should be credited to the Allocated Manufacturing Overhead Control account for the month of December? oso $6,210,000 $5,800,000 $5,760,000 $5,700,000 none of the above