Performance measurement is considered a more difficult and controversial undertaking in the public sector than it is in the private sector. Over the years attempts have been to lessen the difficulties and performance measurement in the public sector better. For instance, the terms 'inputs', 'activities', 'outputs', and 'outcomes' have been the basic language of performance measurement. Furthermore, the concept of value for money is often described in terms of the '3Es', and in recent years the '4Es'

a. Explain the terms 'inputs', 'activities', 'outputs', and 'outcomes' drawing on some examples, and show how they are related

b. Explain the value of money concept in the context of the 4Es as used in the public sector performance measurement, showing the relationship among them in their applications in the public sector.

c. Briefly explain the following in the context of public sector accounting

i. Performance measurement

ii. Performance management

iii. 4Es

iv. Value for money