That’s horrible. For an XLT? That’s less than 3% off MSRP. If that ‘internet price’ is the final price, it sounds like they’re just pocketing the incentives, too.
As an aside, if those numbers were actually something you were considering acceptable for your budget, the 0% financing, bonus ford cash, and delayed payments may not be a bad option for you.
How to negotiate the deal isn’t your first issue here.
The most important thing that goes into getting a good deal is being an informed consumer. You need to know every aspect of the deal. You need to know exactly what the vehicle should lease for before you ever talk to a dealer. Asking if this is a good deal or not tells me that you need to sort this part out first before you worry about getting a dealer to the price you want.
You can’t negotiate if you don’t know what you’re trying to negotiate to.