Boroko Group Ltd is expanding its chain of retail stores in Gaborone through the purchase of Payless Store in Kagiso Mall at a cost of $350000. A further cost of $150000 is to be included to refurbish the property with new equipment for the store. Cash flows for the business are projected as below: The equipment will depreciate to zero over the period and Boroko Group is confident that the business could be sold for $350000 after the sixth year. To establish the viability of the project, Boroko will use return on capital employed. Required: a) Calculate the project's return on capital employed (ROCE). (12 marks) b) Write a short report highlighting why the above method is inferior to NPV investment appraisal method. (8 marks)