n is rising considerably for farms and it's a future indicator of CPI inflation this is basically wholesale inflation here here and if that's high then retail prices which is what the CPI will track and measure will then go up in the future to compensate
If n is low like it is at the moment only 0.6% it means that those input prices could be falling or they're rising in a very very slow rate which is good news and if it's lower than the CPI it means in the future we expect the CPI rate to come down
The weakness of the pound has not helped improve the UK's current account deficit because the UK doesn't have a large manufacturing base, it's a large dominant Services driven economy