Crossword Genius

Model and I do business (5)

Ross

I believe the answer is:

ideal

'model' is the definition.
(ideal can mean model or perfect)

'i do business' is the wordplay.
'do business' becomes 'deal' (as in dealing with another business).
'i'+'deal'='IDEAL'

'and' is the link.

(Other definitions for ideal that I've seen before include "Perfect; visionary" , "Just perfect, couldn't be better" , "Optimal" , "Paradigm" , "faultless" .)

I've seen this clue in The Telegraph.
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