A real estate investor is considering the purchase of a four$-$unit office building and has the following information. The purchase price is $$951,682$ with $$9,281$ in acquisition costs. The first year$$s rent is $$4,237$ per unit per month. Rents are expected to increase at a rate of $3\mathrm{.}5$ percent per year. Vacancy is estimated to be $5\mathrm{.}2$ percent of gross revenue and operating expenses are expected to be $30$ percent of effective gross income.

What is the net operating income $($NOI$)$ for year $5?$