what is the debt ratio?

Income statement: Sales Cost of goods sold EBIT Interest ( 1 0%) EBT Taxes (40%) Net Income $10,000 9,200 400 160 $ 800 $ 400 $ 240 Balance sheet: Cash A/R Inventories Total C.A Net F.A Total Assets $ 20 1,000 5,000 $ 6,020 2,980 $9,000 $ 4,000 5,000 Debt Equity Total claims $ 9,000