5:44 S.97% + Expert Q&A + Cassie Contact ( $1 Canola Soya Palm + I'd like to have columns inserted to calculate weighted average cost by month and grand totals at the bottom. We would need it in both KG's and LB's and need to modify accordingly so it becomes a useful presentation / shareable document 5:44 S.97% + Expert Q&A + Cassie Contact ( $1 Canola Soya Palm + I'd like to have columns inserted to calculate weighted average cost by month and grand totals at the bottom. We would need it in both KG's and LB's and need to modify accordingly so it becomes a useful presentation / shareable document