Hi Dew,
I changed cell U23 from a formula of "=SUM(U4:U22)+3.5" to "=SUM(U4:U22)+3".
Previously, you advised me the total cbm should not exceed 64-65cbm.
I also changed cell U23 description from "Not to exceed 64-65 cbm:" to "Not to exceed 67 cbm:"
Let me know of any further changes.