20 unit apt complex analysis deal?

[George Allen]

Fully Rented Apartment Complex

Asking price: $2,135,000

Annual returns: $213,000

All 1 bedroom units are rented for $725 and all 2 bedroom unit $1,150

All units have their separate electrical meters and operates by a water well system.

communal laundry room

all roofing is brand new! - Just redone in 2019

This is all the information the listing provides. 

Property tax is about $34,000 a year I figure.

Not sure what I'm doing with the calculator.

What key questions should I be asking the listing real estate agent?

Thanks all for your time,

George