Comparing ABC and Plantwide Overhead Cost Assignments Castle Dale Company uses activity-based costing ( ABC). The controller identified two activities and their budgeted costs: Setting up equipment is based on setup hours, and other overhead is based on oven hours. Castle Dale produces two products, Fudge and Cookies. Information on each product is as follows: Required: 1. Calculate the activity rate for (a) setting up equipment and (b) other overhead. a. Setting up equipment b. Other overhead $ \& per setup hour per oven hour 2. How much total overhead is assigned to Fudge using ABC ? q 3. What is the unit overhead assigned to Fudge using ABC ? Round to the nearest cent. $ per unit 4. Now, ignoring the ABC results, calculate the plantwide overhead rate, based on oven hours. \$ per oven hour 5. How much total overhead is assigned to Fudge using the plantwide overhead rate? $ 6a. The difference in the total overhead assigned to Fudge is different under the ABC system and non-ABC system because