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

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

The monthly rent currently equals $$84\mathrm{.}0$ per square foot.

The vacancy rate equals $6\mathrm{.}8\%.$

The Effective Gross Income $($EGI$)$ of this building equals $ $\_\_\_\_\_$ per year.