Fool with no work accepting reduction in revenue perhaps at first (10)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

Fool with no work accepting reduction in revenue, perhaps at first [ INCOM <e> (=revenue; “reduction in” means last letter is dropped) + P <erhaps> (“at first” means first letter only)] in [NO + OP (=work, i.e. opus)]