How do you calculate how much tax you can save if you buy a house? ?

Example: Two unmarried people, one makes $36,000 and one makes $50,000. Purchase a condo for $338,800, 20% down, mortgage of $270,400 with monthly payment of approx $1547 per month. Assuming both people own the property 50% -50% both share title. How much tax deduction can each person have from buying a house,... show more Example:
Two unmarried people, one makes $36,000 and one makes $50,000. Purchase a condo for $338,800, 20% down, mortgage of $270,400 with monthly payment of approx $1547 per month. Assuming both people own the property 50% -50% both share title. How much tax deduction can each person have from buying a house, assuming both don't have kids and no other deductions....

Thanks!!
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