# 15. Problem 15

Full score -8

Grisha owns a room with an area of 9 m $^{2}$ in a communal apartment (its cadastral value is 1 million rubles, and the current market value is 1.5 million rubles), as well as a residential house with an area of $90 \mathrm{~m}^{2}$ (the cadastral value of the house is 1.8 million rubles, and its current market value is 2 million rubles).

If the property tax rate was the same for both objects and amounted to $0.1 \%$, how much should Grisha pay as property tax?
Give the answer in rubles and write it without spaces, units of measurement, and any signs.

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