Question 4 of 4 -73 e Textbook and Media The total estimated manufacturing overhead of $260,000 was comprised of $160,000 for materials handling costs and $100,000 for purchasing activity costs. Under activity-based costing (ABC): (Round answers to 2 decimal places, e.g. 12.25.) What amount of purchasing activity costs are assigned to: (a) One mobile safe $ per unit (b) One walk-in safe $ per unit e Textbook and Media Compare the amount of overhead allocated to one mobile safe and to one walk-in safe under the traditional costing approach versus under ABC. (Round answers to 2 decimal places, e.g. 12.25.) Traditional Costing Activity-Based Costing Mobile safe $ Walk-in safe $ $ e Textbook and Media