Mary bought an apartment at the price $$250,000$ on $1/1/2024$ using a zero$-$amortizing mortgage whose loan$-$to$-$value ratio equals $80\%$

The interest rate of of this mortgage equals $8\%$ p$.$a$.$ compounded monthly.

The property tax per year of this apartment equals $1\%$ of its selling price.

Her marginal tax rate this year is $24\%.$

Buying this apartment will enable Mary to save $$\_\_\_\_$ in tax this year.