(Supervised by SUTRISNO S.P., M.P., & Dr Ir.TRIWARA BUDDHI S, M.P) The purpose of this research is to find out the cost, income, profit, and the worthiness of cassava chips in Bantulkarang hamlet, Ringinharjo Village. Location determination of this research has been done purposively. Respondend sampling of this research are using census method with 29 in total of respondend. The primary data that being used are from the interview and from the questioner. The result of this research is worth to running. It can be showed from the average income are Rp. 23.586.920, the revenue are Rp. 13.924.358/month, and the profit are 9.130.215/month, and R/C > 1, the fund productivity that bigger than the loan interests and the labor productivity that bigger than labor wages/day