I remember when working for the Alliance in 1980, spending pretty much an entire day chasing a discrepancy in an account of someone who had just died. It was a tiny amound (about 70p IIRC) that eventually I traced to a payment made in something like 1955, having spent several hours rummaging...
Maybe. Or it could be bad subbing, the journalist may have written "The amounts written off for current MPs ranged from £5 to £229" and the "current MPs" was taken out. We don't know without seeing the original copy but subs do sometimes change the meaning in their effort to tidy things up