love all the info but eh... none of it means much until you get your profiles down and print enough to have a baseline. we alot .25 per sq/ft. full coverage may be more.
but to be real with you. ill tell you how we do it.. pay attention..
WE BUY INK. right.. right. notice that. no figures. no stats. we just order ink. if you arent charging enough to just buy ink. well. thats a problem you need to fix.
we order something around 20-30 220ml carts per month.
i know, non scientific, non what you were looking for, but its real. trust me. its our daily operation.