Answer:a. planning
Step-by-step explanation:
1. Planning
This phase involves all elements of the project and management of the product, including where the resource will be placed , project timing , cost of the project , capacity planning , preparations.
After everything is done as input of the planning phase output involves the following : plans of the project , schedules and procurement requirements.
Project manager ls work together with development members along with security and operation members to put all that is needed into place.