chapter 11 question 3 i need amswered asap

Problem 11-60 (Algo) Cost Allocation: Step and Reciprocal Methods (LO 11-1) Dunedin Bank has two operating departments (Retail and Commercial) and three service departments: Operations, Information Technology (IT), and Transoctions. For the last period, the following costs and service department usage ratios were recorded: Required: a. Allocate the service department costs to the two operating departments using the reciprocal method