The affordability worksheet
Pick an applicant, set the amount and the term, and watch a real amortisation run against verified income. Every line below is a number you could recompute by hand in front of an examiner.
The same applicant, two lenses
This is the whole argument for underwriting from the connection. Neither column is flattering to the other — one of them is simply looking at more.
In your code
We hand back the components — verified income, obligations, the stressed instalment, the binding constraint and the reason codes. Your policy turns that into an offer, a counter or a decline.
By the job you are doing