You’re not really close to a VC win, but economically, they won’t be able to catch up. Once moscow falls, your income will increase even more. Normally at this point you’d need to be ready to drop Cairo–that looks uncertain–or take hawaii, which would require that Japan drop big navy and build over USA’s ability to. But you’ve already got what you need to win on that board (Pac), as long as Germany can avoid the fall of Berlin, eventually you’d be able to blow the USA fleet away and take it.
Economically, once one of the axis has 60 and the other 70, the writing is on the wall, you’re well past “threshold”