The term demonetisation has become a household name since the government pulled the old Rs. 500 and Rs. 1,000 notes out of circulation in November 2016. Prior to the year 2016, the Indian government had demonetised bank notes on two prior occasions—once in the year 1946 and then again in the year 1978. In both cases, the purpose was to combat tax evasion by ‘black money’. Identify the types of one of the functions of management being discussed in the above lines.