Consider the following scenario:
A customer has asked to determine their Hires Terminations and Movement Events using the following Event codes:
H - Hire
P-Promotion
D-Demotion X-Transfer
T-Termination
Promotions are only counted if there is an increase in the Salary Band and Demotions are only counted if there is a decrease in the Salary Band. What is the minimum number of Hire/Movement/Termination conditions that can be created to fulfill these requirements?