When doing Event Process Chain $($EPC$)$ Diagrams, do the connections between the left and right column by also using the below image.

$($A$)$

A$.$ Value that helps the company run its business

$($B$)$

B$.$ After the process payment activity, salesperson or$/$and sales manager $($at least one$)$ will be notified.

$($C$)$

C$.$ After the process payment activity, either salesperson or sales manager $($only one$)$ will be notified.

Real value

D$.$ Value for which the customer is willing to pay

Business value

E$.$ After the process payment activity, both salesperson and sales manager must be notified.