Derived demand is the term given to indicate that the demand for goods, services, and ideas in organizations is derived from consumer wants and needs. Which of the following example(s) represent derived demand? :
a) Employers purchase health insurance coverage for employees.
b) Local, state and national governments hire marketing consultants.
c) Hospital buying centers contract enterprise-wide electronic records solution providers.
d) Medical devices, pharmaceuticals, and medical surgical supplies comprise a large share of virtually every hospital's total expenditures.
e) All of the above.