Information technology and business are becoming inextricably interwoven. I don't think anybody can talk meaningfully about one without the talking about the other. Bill Gates
You can have data without information, but you cannot have information without data. Daniel Keys Moran
Initial order of polycarbonate tubing.
Once you open the spreadsheet you can save it with another name. Then you will be able to ask what if questions and edit at will.
About the cost of polycarbonate tubing.