It's a matter of Supply and Demand

One box of Wild Juice (passion fruit) was purchased at retail price of R14 and sold for a profit of R6. The simple reason for this is that Wild Juice in this flavor it not so readily available. There is a definite balance that seem to exist with the availability of a certain product and its perceived value. I have an inkling that I will need to explore this link in more detail in order to discover a business secret.