Arlin Fabrication Company produces tools on a job order basis. During May, two jols were completed, and the following costs were incurred:Direct materials $..$Direct labor: RegularOvertime premiumJob $401$$$28,00018,000$Job $402$$$37,00023,0006,000$Other factory costs for the month totaled $$16,800.$ Factory overhead costs are allocated one$-$third to Job $401$ and two$-$thirds to Job $402.$a$.$Describe two alternative methods for assigning the overtime premium cost to Jobs $401$ and $402$ and explain how the appropriate method would be determined.b$.$ Compute the cost of Jobs $401$ and $402$ under each of the two methodsdescribed in part a$.$