How much would it cost the government to increase the income tax threshold?
That's the question Onchan MHK Julie Edge will ask Treasury Minister Alex Allinson when the House of Keys sits on Tuesday, November 4.
She wants to know what the impact on government income would be from different increases to the single person's tax-free allowance.
Ms Edge is asking what would happen to revenue if it were raised by £250, £750, £1,000 or £20,000.
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