Rules are changing . .. . . .
When JPA comes in (Ha !) it should put all three sevices in line with each other requirement wise, and the amount will rise to an equivalent of a years gross salary !!!
PSF don't have the full details. Can't see it changing till the end of the year at least.
Disclaimer: Aircrew info. Not a scribbly. Don't ask me for DCI references or anything like that. Ask PSF.