Hi and thank you for clearing that up for me.
It seems that my confusion was brought about because I was using the table indicating it was paid on a pro rata basis here:
https://www.motaclarity.co.uk/news/how-much-is-the-motability-good-condition-bonus
They have clearly changed the system since that table was published.
It’s a shame Motability customer services weren’t as helpful at explaining where the figure came from, as you are.
Many thanks again.