Ah now fellas.....we all know British is better and thus worth the extra Dosh.
Remembering the figures quoted are only those for the planned purchase and does not consider the real costs such a program would incur as is absolutely typical of your procurements historically.
Some suggest the P-3 nee Electra is a 1950's airliner carcass way beyond its sell by date.....but just skip over the antecedents of the proposed Nimrod thingy.
At least the P-8 is both new build but also new tech.