Peter is a consultant responsible for developing a performance management system for a Bank. Below are the activities he undertook to ensure a proper running performance management system.

$1)$ He facilitated performance management training to line managers and staff.

$2)$ He consulted line managers and staff about their skills set, their work input, their work output and he checked their job descriptions.

$3)$ He discussion with line managers and staff about the various performance management methods available for consideration.

In terms of the first three steps of developing the performance management system, which of the following order is correct for Peter to follow?

a$.$

$3,1,2$

b$.$

$2,1,3$

c$.$

$2,3,1$

d$.$

$1,2,3$