of manufacturing overhead costs. Read the Requirements 1. What is Aunt Edna's plantwide overhead rate? 2. Calculate the departmental overhead rates for Aunt Edna's three production lines. Round all answers to the nearest cent. 3. Which products have been overcosted by the plantwide rate? Which products have been undercosted by the plantwide rate? 2. Calculate the departmental overhead rates for Aunt Edna's three production lines. Round all answers to the nearest cent. Begin by determining the formula for calculating a departments overhead rate, then calculate the overhead rates for each departmer 3. Which products have been overcosted by the plantwide rate? Which products have been undercosted by the plantwide rate? For each product, select if it was overcosted or undercosted by using the plantwide rate