Let's say this is a software development problem. from which side should we study this as the software developer? feasibility of the developing company or the feasibility of the using company(client) ?

ex 1:- in technical feasibility ,we check if the company has enough hardware for the software. which company? developing company or the client(software using) company?

ex2:- we analyse the profit of the company from the project. which company's profit? software developer or the software user's company?