Which activity is a marketing technique?
a. hiring contractors to fulfill excess production requirements
b. appraising the performance of a company's employees
c. calling a potential customer to inform them about a new program
d. buying the latest machinery to optimize the production process
e.
investing in real estate to use dormant resource fund

As the inventor of hypertension medication, onesure pharmaceuticals (osp) inc. was able to reap the benefits of economies of scale due to a large consumer demand for the drug. even when competitors later developed similar drugs after the expiry of osp's patents, regular users did not want to switch because they were concerned about possible side effects. which of the following benefits does this scenario best illustrate? a. first-mover advantages b. social benefits c. network externalities d. fringe benefits