Answer:
d. Manipulating data
Step-by-step explanation:
In the given case since it is mentioned that in the first half of the year 2013 there is a corporate tax of 26% now at the end of the year 2013 there is a change in the corporate tax i.e. 20%
Also the earning before tax would be 80 million in the first half and in the second half it would be 90 million
So this represent the data is manipulated as it would be considered the same for the whole year i.e. for 2013 but it keeps changing
Therefore the last option is correct