Which of the following is an issue involved with using a single plantwide rate overhead application to product costs? Support department costs are not combined with all other overhead costs. A single driver is used for all overhead costs and it is unlikely that the driver selected is appropriate for every type of overhead. Some overhead costs are missing from the application process. Too much emphasis is placed on the fact that manufacturing processes differ from one product to another. Morgan Lawnmower Company uses multiple production department rates for application of overhead to products. How will the company allocate support department costs to production departments? Based on the amount of support activity used by the entire production facility. Based on the amount of support activity used by the department in the prior month Based on the amount of support activity budgeted by the department. Based on the amount of support activity used by the department. Which of the following would not be used as an application method for overhead costs? single investment application rate activity-based costing application method multiple production department rates single plantwide application rate