At $45-$80 (https://www.quora.com/How-much-does-cocaine-cost) per gram. I don't think Cocaine dealers care that this was rejected. The developer states its margin of error is 3 grams. which is $135 to $240, depending on area and specific dealer. That is too high of a margin of error when you can buy a dedicated scale for $100 that is accurate to the thousandths of a gram.
You sure do know a lot about cocaine