![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
the example of recycling used beverage containers is to show that
A.
the market prices of recycling contracts may not reveal the full value of recycling
B.
some of the recycling benefits are apparent for us to see
C.
prices in curbside recycling contract are too low for consideration
D.
some contracts are quite fair while others are not