Your ideas allow us to crowdsource feedback, gain customer insight and prioritise our roadmaps.
On main Purchases page, the Project should be listed next to each Purchase as well as the date and amount etc.
This would give considerable ease of reference, particularly checking whether every purchase has been correctly recorded to the relevant Project.
I have just listed the same suggestion but have just found your suggestion from April 2018 so I won't hold my breath that this will happen!