A building in Manhattan called "Diagonal Campus" is being sold.

It contains $75,780$ square feet of rentable space.

The monthly rent currently equals $$20$ per square foot.

The vacancy rate equals $3\mathrm{.}80\%.$

The operating expenses equal $35\%$ of the Effective Gross Income $($EGI$).$

The annual Net Operating Income $($NOI$)$ of his building equals $ $\_\_\_\_\_$ per year.