Answer:
b. increasing in volume and scope
Step-by-step explanation:
Outsourcing refers to assigning routine day to day tasks of less significance to an outside firm at a contractual price, with dual motive of saving time and focusing upon more important tasks and also to avail specialized services of an outside firm to ensure efficiency.
For example, a company may outsource it's human resource management function to third party consultants rather than conducting recruitment on it's own.
With the growth in businesses and with increased competition, the need to focus upon strategic tasks has increased which calls for growth in outsourcing function owing to which outsourcing of services has increased both in volume and scope.