Does anyone have a code or formula that would total/sum a custom field on each individual quote line item. 

For example, I have a quote and I need to know the the total sales price plus the total promotional value of each line item of the quote. Can I add them at the quote line item level? If so how would I do this? Or is there a formula that would some the total? 

Does anyone have a code or formula that would total/sum a custom field on each individual quote line item. 

For example, I have a quote and I need to know the the total sales price plus the total promotional value of each line item of the quote. Can I add them at the quote line item level? If so how would I do this? Or is there a formula that would some the total?