Required information Kingsport Containers Company makes a Single product that is subject to wide seasonal variations in demand. The Company uses a job-order costing system and computes plantwide predetermined overhead rates on a quaterly basis using the number of units to be produced as the allocation base. Its estimated costs, by quarter, for the coming year are given below: Management finds the variation in quarterly unit product costs to be confusing. It has been suggested that the problem lles with manufacturing overhead because it is the largest element of total manufacturing cost. Accordingly. you have been asked to find a more appropriate way of assigning manufacturing overhead cost to units of product. Review the Tableau visualization below, and answer the questions that follow. 5. Assume the company computes one predetermined overhead rate for the year rather than relying on quarterly overhead rates: Based on the visualization: a. Calculate the predetermined overhead rate for the year. Required information Kingsport Containers Company makes a Single product that is subject to wide seasonal variations in demand. The Company uses a job-order costing system and computes plantwide predetermined overhead rates on a quaterly basis using the number of units to be produced as the allocation base. Its estimated costs, by quarter, for the coming year are given below: Management finds the variation in quarterly unit product costs to be confusing. It has been suggested that the problem lles with manufacturing overhead because it is the largest element of total manufacturing cost. Accordingly. you have been asked to find a more appropriate way of assigning manufacturing overhead cost to units of product. Review the Tableau visualization below, and answer the questions that follow. 5. Assume the company computes one predetermined overhead rate for the year rather than relying on quarterly overhead rates: Based on the visualization: a. Calculate the predetermined overhead rate for the year