How to compare lines of data and return a given name ??

What formula do I need for the cells in column F to show the name of the cheapest supplier ... for example the cheapest (£17,820) in line 2 is supplier A ????

Your post does not comply with Rule 1 of our Forum Rules. Your post title should accurately and concisely describe your problem, not your anticipated solution. Use terms appropriate to a Google search. Poor thread titles, like Please Help, Urgent, Need Help, Formula Problem, Code Problem, and Need Advice will be addressed according to the OP's experience in the forum: If you have less than 10 posts, expect (and respond to) a request to change your thread title. If you have 10 or more posts, expect your post to be locked, so you can start a new thread with an appropriate title.
To change a Title on your post, click EDIT then Go Advanced and change your title, if 2 days have passed ask a moderator to do it for you.

Thanks for taking the time to read and comply with the rule .

Try:

=INDEX($A$1:$C$1,MATCH(MIN(A2:C2),A2:C2,0)) copied down

By doing the following:

If you are satisfied with the solution(s) provided, please mark your thread as Solved.

How to mark a thread Solved
Go to the first post
Click edit
Click Go Advanced
Just below the word Title you will see a dropdown with the word No prefix.
Change to Solved
Click Save

Well, I guess it was too much to ask...

I will mark it myself!