I am sorry I took so long to get there. I didn't mean to gazump.
It was a rather unexpected solution.
Not only is it capable of 1880+, but I suspect it's possible to tweak another $30 out of it.
I had rather hoped you already had this method, and had done the tweak(s) to secure a win.
Hint: Dec10 would be proud.....
I have bludgeoned my other solutions into submission - scores vary from from 1500 to 1702.
The "obvious solution" was a nightmare to get working and finish. It's the 1500. Quite a ghastly estimate.