“supply of service” means such a supply which is not a supply of goods, money, or immoveable property, but, without prejudice to the generality, includes the following maters, namely:-

(a) the grant, assignment, termination, or conferment of any right;

(b) provision of any opportunity, facility or benefit;

(c) an agreement to perform an act, to refrain from accepting any situation or activity or accepting it; and

(d) issue, transfer or surrender of any licence, permit, certificate, privilege, authorization, or similar right;