Professional service providers face distinctive problems not faced by other types of service organizations

and must deal with:

a$.$ Uneducated, fussy clients who sometimes do not know what they want or need.

b$.$ Client uncertainty, limited service differentiability, quality control difficulties, amongst other things

c$.$ Limited budgets with a wide prospective client mix that is largely subject to subjective decision making

d$.$ All of the above

e$.$ None of the above