When the cost price of Products increases this does not automatically flow through to Kitset items.
To increase the kitset cost price, this can be done manually by opening each kitset and saving to get the recost prompts.
Alternatively to recost all kitsets at once the system has an option to do this.
It is recommended that the Kitset Product reports are run before this is done, as well as a backup.
Products / Recalculate Kitsets
Once selected a prompt will appear
Do you want to recalculate the selling prices?
On completion of the recosting, the following window will appear
See here to reprice the Kitset sell Price by a Percentage