Looks like you’re getting 11% off. It’s a pretty good deal. The best discount I’ve seen was 12%. Lot of the advertised deals require loyalty and 7500 miles to get it to $500 pre tax. I would take it.
Theres no real way to sift through the doc posted to fully evaluate the deal, but I do believe you get nailed with high taxes in your area and the resulting monthly seems reasonably close to some other recent deals. Your effective monthly is ~$679.