Apartment Building Schedule E Surprise

[Frank Jennings]

I have an apartment building under contract. The owners reported a net operating income of $27,500. This was the NOI listed on the MLS and all the paperwork that they gave me. My lender requested the Schedule E and I just looked at it. For 2018 the net operating income is $21,500. And in 2017 the net operating income is $3500. Can I walk? Should I walk? Should I just base it on the 2018 numbers and find a way to close the gap there?