Get a third-off by buying 1000 units. This brings the cost down to £2 per unit instead of £3 per unit, i.e. £20 for the interview packs instead of £30 and £30 for the coaching packs instead of £45.
Use your units for a variety of Interview Packs, Coaching Packs, and Team Management reports.
The Interview Packs use 10 units whilst the coaching packs use 15 units. The Team Management reports use 2 units per team-member.