Tanke Biosciences Corp (TNBI) › Cost of RevenueTanke Biosciences Corp (TNBI) — Cost of RevenueAnnual figures by fiscal year, from SEC filings.2010: $12.70M2011: $15.06M2012: $18.62M$18.62M2010Cost of Revenue (USD)2012Fiscal YearCost of RevenueChange YoY2012$18.62M+23.6%2011$15.06M+18.6%2010$12.70M—Other metrics: RevenueGross ProfitOperating IncomeNet IncomeEPS (Diluted)Total AssetsTotal LiabilitiesShareholders' EquityCash & EquivalentsOperating Cash FlowCapital ExpendituresShares OutstandingDividends Per Share