Условие:
The person is considering the possibility of buying an apartment for 7 million RUB to rent it forever. The person estimates his/her monthly income from renting this apartment in RUB 35 ths. and expects an average growth rate of rent of 5% per year (growth begins in the second year, monthly income for the first year is RUB 35 ths.). Rental payment for the whole year comes at the end of the year. Discount rate is 10%.
\nCalculate PV of the apartment purchase. Is it worth buying?

