A joint was $1. You could make about 12 from 1/4 Oz.
A "nickel" is a 1/4 Oz. Which was $10 to me.
A "dime" was a 1/2 Oz. Which was $20 to me.
An Oz was an Oz. $40.

A QP was $120. This let you sell 3 Oz and smoke one.

A LB was $400.

And yes, I DID have a triple beam scale.