hi guyzz ... i wanted to make a system to compute na percentage of the item sold in every days period...
here is the problem. ^_^
i have (10) item sell product
but within (30 days).. i want to get the (20%) of that item...
within the parenthesis is my variable... p
pllsss help me to get the formula..
plss help for those can understand my english... and sorry for the novice post.. thxx