Mevellec Company uses a job-order cost system to track its production costs. The following activities have been performed for Job number 515:

• Requisition of three units of part 34 at €40 per unit, and two hours of direct labor at €10 per hour on May 16.

• Requisition of 5 kg. of raw material 45 at €10 per kilogram and direct labor of three hours at €12 per hour on June 3.

• Direct labor of four hours at €15 per hour on June 10, and the job is finished.

• Overhead is applied at €12 per direct labor hour.

• The job is sold on July 7.

a. Prepare a job-order cost sheet for the activities.

b. Describe the changes in the account balances during May, June, and July for Raw Materials, Work-in-Process, Finished Goods, and Cost of Goods Sold.