The latest info we have to go by regarding the cost of BOM2 is June 2022 AGM presentation, (assuming that's what you are asking) is slide 9/18.
https://www.resverlogix.com/upload/media_element/291/a245af0d7830/2022-06-20-agm-slides---for-website.pdf
Approx cost $80M
Resverlogix cost $40M.
HL I believe will fund the other $40M.
FDA approval is dependent on a successful Phase 3, meeting its endpoint.
Koo