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then the answer is yes, you will have already been indexed by Inktomi. You can check this by searching Inktomi's index at [search.positiontech.com...]
If by "submitted our URL to MSN" you meant a submission to Looksmart then most likely Inktomi has you in their index also, if not currently it should show up within 2/4 weeks.
<edit> percentages beat me to it</edit>
The boss should probably stick to managing the business and leave the SE's to someone who has a little background knowledge of the subject ;)
The page you stated is for Looksmart UK. MSN UK ditched Looksmart results several weeks ago. If you are targeting mainly UK traffic it was probably not a good use of money.
MSN.com still shows UK Looksmart listings in the websites section, but that is supposed to be ending on Jan 15th.
Having the Looksmart UK listing may have got you in Inktomi, you will have to check to be sure at the above link.
If your traffic is coming from the Looksmart listing on MSN then it is about to disappear. Good Inktomi positions should however generate 15% to 25% of all SE referrals mainly from MSN (and hopefully more from Yahoo soon).