Your company uses a payroll application that was developed using Java technologies. The company has acquired another company and plans to integrate its payroll process in existing application. You…

Your company uses a payroll application that was developed using Java technologies. The company has acquired another company and plans to integrate its payroll process in existing application. You have been asked to implement this integration. You observe that the business logic adopted to calculate the payroll is different in both companies. Which design pattern would be most appropriate to use in this integration?