An activity cost driver rate is calculated by: O a. Multiplying total production cost by the total of the activity measure/ cost driver O b. Multiplying the total overhead cost of an activity by the total of the activity measure/ cost driver O c. Dividing total production cost by the total of the activity measure/ cost driver O d. Dividing the total overhead cost of an activity by the total of the activity measure/cost driver All the following are characteristics of job costing, EXCEPT: O a. There are special requirements for each job O b. It is commonly applied within a factory or workshop O c. Costs are attributed to individual jobs O d. The output of one job becomes the input of the next job