Suggest indicators that could be used to assess an improvement in efficiency in each of the following areas:
a. Reduce the energy used in production of goods and services
b. Reduce the material intensity of the production of goods and services
c. Maximise the sustainable use of renewable resources
d. Reduce the dispersion of any toxic material
e. Reduce the amount of water used in the production of goods and services
f. Increase the literacy rate of employees
g. Improve the health and wellbeing of employees
h. Contribute to crime prevention in the local area.