advise / advice ?

[Zoe2008]

We shall double-check the courier cost and advise / advice you soonest

[riquecohen]

We shall double-check the courier cost and advise / advice you soonest as soon as possible

advise-verb
advice-noun

[Zoe2008]

Hi Riquecohen,

"soonest" is same as "as soon as possible"?

if use "soon" is correct?

Thanks to advise

Regards
Zoe

[riquecohen]

Hi Riquecohen,

"soonest" is same as "as soon as possible"? No.

if use "soon" is correct? It would be grammatically correct, but not very business-like. As soon as possible suggests a certain urgency.

Thanks to advise

Regards
Zoe

For a definition, look here. as soon as possible - Idioms - by the Free Dictionary, Thesaurus and Encyclopedia.