Please solve this problem

Problem 23-6A (Part Level Submission) orgensen Corporation uses standard costs with its job order cost accounting system. In January, an order (Job No. 12) for 1,200 units of Product B was received. The standard cost of one unit of Product B is as follows. Direct materials Direct labor Overhead $3.00 9.60 13.80 $26.40 3 pounds at $1.00 per pound 1.20 hour at $8.00 per hour 2 hours (variable $4.10 per machine hour; fixed $2.80 per machine hour) Standard cost per unit Normal capacity for the month was 4,300 machine hours. During January, the following transactions applicable to Job No. 12 occurred. 1. Purchased 3,960 pounds of raw materials on account at $1.06 per pound 2. Requisitioned 3,960 pounds of raw materials for Job No. 12 3. Incurred 1,536 hours of direct labor at a rate of $7.90 per hour. 4. Worked 1,536 hours of direct labor on Job No. 12. 5. Incurred manufacturing overhead on account $18,000. 6. Applied overhead to Job No. 12 on basis of standard machine hours allowed 7. Completed Job No. 12 8. Billed customer for Job No. 12 at a selling price of $102,000. Problem 23-6A (Part Level Submission) orgensen Corporation uses standard costs with its job order cost accounting system. In January, an order (Job No. 12) for 1,200 units of Product B was received. The standard cost of one unit of Product B is as follows. Direct materials Direct labor Overhead $3.00 9.60 13.80 $26.40 3 pounds at $1.00 per pound 1.20 hour at $8.00 per hour 2 hours (variable $4.10 per machine hour; fixed $2.80 per machine hour) Standard cost per unit Normal capacity for the month was 4,300 machine hours. During January, the following transactions applicable to Job No. 12 occurred. 1. Purchased 3,960 pounds of raw materials on account at $1.06 per pound 2. Requisitioned 3,960 pounds of raw materials for Job No. 12 3. Incurred 1,536 hours of direct labor at a rate of $7.90 per hour. 4. Worked 1,536 hours of direct labor on Job No. 12. 5. Incurred manufacturing overhead on account $18,000. 6. Applied overhead to Job No. 12 on basis of standard machine hours allowed 7. Completed Job No. 12 8. Billed customer for Job No. 12 at a selling price of $102,000