1. Alex Corporation is a construction firm which works on various jobs throughout the year. In 2010, Alex worked on three jobs: Job 123, Job 124 and Job 125. At the beginning of the year, Alex Co. estimated it would use 6000 direct labour hours for the year, and incur $160 000 in manufacturing overheads costs. The direct labour rate is $23 per direct labour hour. The company allocates overheads on the basis of direct labour hours. Costs actually incurred for each Job for the year are given below: JOB Costs 123 124 125 cost of raw materials used $12000 $4500 $56000 direct labour hours utilized 1200hrs 300hrs 4000hrs Manufacturing Overheads Costs Incurred $54000 $21000 $100000 I. Calculate the predetermined overhead rate 2 marks II. Show the job cost sheets for job 123, 124, 125. 9 marks