Money is a mental tool that enables economic calculation
{"Image DocumentName": "Money is a mental tool that enables economic calculation", "Image ImageDescription": "Title Slide Box. Gold, money & currency. Title & Headline. Title & Headline. GoldMoney. Money is a mental tool that enables economic calculation. unchanged throughout history. Currency is a medium of exchange. improves as a result of technological innovations. Document slug: date/pp #", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}