1. What is the total amount of income tax, and in each case what is the percentage of the total income tax collected for the year, secured from each of the following income levels for the fiscal years ending March 31, 1939, March 31, 1940, March 31, 1941, March 31, 1942: $750-$l,000, $l,000-$2,000, $2,000-$3,000, $3,00044,000, $4,000-$5,000, $5,000410,000, $10,000415,000, $15,000-$25,000, $25,000450,000, over $50,000?
2. How many taxpayers were in each income level for the above-noted fiscal years, and what was the percentage of the total in each case?
3. What was the average net income for persons in each of these income levels during each of the above fiscal years?
Subtopic: INCOME TAX IN VARIOUS BRACKETS