i) Clearly define the term purchasing performance (2 marks)   ii)       Explain FIVE factors that influence purchasing performance measurements (10 marks)   iii)      What is purchasing efficiency? Illustrate how it can be used to indicate     the performance of purchasing department (3 marks)   iv)      Discuss the steps involved in the development of an effective purchasing   performance measuring system (12 marks)   v)       What are the main objectives of measuring purchasing performance            (3 marks)   i)        Discuss purchasing audit as a performance measurement tool in     purchasing (8 marks)   ii)       Discuss the characteristics of a good performance measurement system    (7 marks)