The correct answer is C.
A tax reduction implies a decrease of the income earned by the public sector. Such income is colleted from citizens, specially from those who earn a salary, as work incomes are where the more taxes are charged.
Supply-side economics claims that a tax reduction increases the disposable income that citizens actually receive, as there are less cuts in the wage that they earn from work. This would work as an incentive and boost work figures and productivity figures as, for a higher retribution, more people will be willing to work and those who are already working will be incentived to put more effort on their tasks
