Johnson and Friends Corporation is using job-order costing with one plant-wide pre-determined overhead rate calculated and determined by machine-hours. The pre-determined overhead rate is determined by these estimates: Total hours of machine operation----30,000 Total fixed manufacturing overhead cost-----252,000 Variable manufacturing overhead per machine (hour)-----2.90 Use the following to complete the requirements. Johnson and Friends Corporation: Actual manufacturing overhead cost for the year-----345,000. Recently Job 11946 was completed with the following characteristics: Number of units in the job-----70 Total hours of machine operation -----210 Direct materials-----665 Direct labor cost-----6,720 Requirements 1-5: Loon What is the predetermined overhead rate for the year? Estimated the total manufacturing overhead for the year. What is the amount of overhead applied to Job 11946. What was the total job cost incurred by Johnson and Friends Corporation for the completion of Job 11946. What is the product cost per unit for Job 11946