Question: Montreal Ltd. manufactures custom equipment and applies overhead to jobs based on direct labor hours. Montreal Ltd. estimated $840,000 in overhead costs and 60,000 direct labor hours for the year. Montreal Ltd. had two jobs in work in process inventory on January 1, 2015. The company started two more jobs during January. The following data was provided for January: By January 31, 2015, Job 102 and Job 103 were completed, and Job 103 was sold. The rest of the jobs remained in the process. Required: a. Calculate the plantwide overhead rate per direct labor hour. b. Complete the job order cost sheets for all four jobs in January. c. Calculate the work in process inventory on January 31, 2015. d. What are the advantages and weaknesses of job order costing