In 1975, a province reduced its personal income tax rate by 2 percent for most taxpayers. ██ █████ ███ ████████ ██████ ███ ████ ███ █████ █████████ ███ █████ ███████ ██ █ ████████ ███████ ███ █████████ ██ ███ ████████ ██████ ███ █████ ███ █████ ██████ ██ █████ █████████ ████ ████████ ██████ █████ ████████ ████████ ████ ████ ██ ████ ███ ████ █████████████ ██ █████
A province reduced its income tax rate for most taxpayer over a two-year period, so why did it bring in more money from income taxes in those years?
This is an except question: the four incorrect answers will somehow be helpful in explaining why the province collected more money from income taxes. Perhaps the taxpayers began earning higher incomes during this period, or maybe the number of taxpayers increased. The correct answer, however, will either be irrelevant or make the discrepancy even harder to resolve.
Each of the following, if █████ █████ ████ ██ ███████ ███ ████████ ███████████ █████████ █████ ███████
The years 1975 ███ ████ ████ ████ ██ █████ ███ ██████████ ███████ ███ ██████████ ███████████
The definition of █████████ ███████ ████ ██ ███ ████████ ███ ███████ ██████ ████ ██ ███████ ██████ ████████ ████ ████████ ████████████
The personal income ███ ████ ███ ███ ██████████ ███████████ ██ ███ ████████ ████ ██████ ████ ███ █████
The province's total ███████ ████ ███ █████ █████████ ██████ ████ ████ ███ █████
A large number ██ ██████ ████ █████ █████████ █████ ██ ███ ████████ ██████ ████ ███ █████