Tanke Biosciences Corp (TNBI) — Cost of Revenue

Annual figures by fiscal year, from SEC filings.

2010: $12.70M2011: $15.06M2012: $18.62M$18.62M
2010Cost of Revenue (USD)2012
Fiscal YearCost of RevenueChange YoY
2012$18.62M+23.6%
2011$15.06M+18.6%
2010$12.70M