Answer:
output would necessarily rise.
Explanation:
Tax is the amount that a government levies on its citizens to fund it's expenditure, and for the individual income tax is levied.
If the government decides to reduce personal tax, this will free up funds to engage in economic activities and make resources more productive. The individual's disposable income will increase and when invested in business activities to promote productivity.
Increased productivity will necessarily increase the output from the economy.