Definition: This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.
Input: Passage: Economic conditions have started to improve considerably, after a period of stagnation, due to the adoption of more liberal economic policies by the government as well as increased revenues from tourism and a booming stock market. In its annual report, the International Monetary Fund (IMF) has rated Egypt as one of the top countries in the world undertaking economic reforms. Some major economic reforms undertaken by the government since 2003 include a dramatic slashing of customs and tariffs. A new taxation law implemented in 2005 decreased corporate taxes from 40% to the current 20%, resulting in a stated 100% increase in tax revenue by the year 2006. Question: What ws the overall impact to tax revenue from change of corporate tax rate?
Output:
100% increase in tax revenue by the year 2006