Edits and revisions of the back of projects on Laravel

There are two projects and tasks for them.
1. On Laravel c js
- Eliminate errors
- We need to deal with the finance section - one of the blocks stopped counting data
- Deal with document generation and its rules

2. On Laravel React
- There are flowers, all sold in packages. That is, for example, a rose is sold for 10 pcs per pack.
You need a filter in the admin panel that would show separately the goods, the presence of which:
- multiples of packages (i.e. there are 100 roses, 10 pieces per pack - everything is OK)
- not multiples of packages (i.e. 95 roses, 10 pieces per pack - one package is not collected, only 5 roses in it)

Need a back