An undergraduate in arts # 3

Source Text:

Hence, the proportion of sales revenue retained by these sellers is a meaningful indicator of their earnings. (p.323)

Source:

Caulkins, J. P. et al (1999). What Drug Dealers Tell Us About Their Cost of Doing Business.  Journal of Drug Issues, 29 (2), pp.323-341.

Writer’s Text:

Caulkins states that the “revenue retained by these sellers is a meaningful indicator of their earnings” and thus the profit they gain from selling drugs is their only means of income (Caulkins 323).

Writer’s comment:

This is his quote and I interpret the quote.