Charko Chemicals Is a Firm That Supplies Chemicals to Pharmaceutical

Multiple Choice

Charko Chemicals is a firm that supplies chemicals to pharmaceutical companies in the United States. The company implements Oracle SCM to reduce its operational costs. Even after the implementation of the SCM system, the company does not shut down the old system and runs both the systems simultaneously. This is an example of ________ installation.

A) plunge
B) pilot
C) phased
D) parallel