This is not trivial, because there are also differences in purchasing price and operating costs.
American Helicopters (Bell, Sikorsky): Very High purchasing price and high maintenance cost
Airbus: High purchasing price and low maintenance cost
Leonardo: Low purchasing price and very high maintenance cost.
So if you fly many hours per year, then an Airbus would be better, when you fly few hours, then Leonardo is better.
But then there is also the quality of service, availability of replacment parts, unsceduled down times, specifics about the size and shape of the cabin,...
There is a service conklin & decker, that makes comparable cost calculations (900$ per year)