The purpose of this research to determine the costs, total revenues, net revenues and feasibility of cassava chips Bantulkarang in Allowance, Ringinharjo Village, Bantul District. Selected respondents were cassava chips entrepreneurs who produce 25 cassava chips each day with standard use for an average of one week at 348,6 kg. The analytical method used to determine the feasibility of cassava chips by calculating the R/C. Based on the results of research that has been done it can be concluded that the average explicit costs incurred by producers amounted to Rp 2,964,328 and the average implicit cost of Rp 668,124. The average total cost spent by cassava chips producers is Rp 3,632,452. The average total revenue of cassava chips producers for one week is Rp 5,002,400, so that net revenue of Rp 2,038,072 and a profit of Rp 1,369,948 will be obtained. While based on the results of the business feasibility analysis carried out by calculating the R/C obtained by 1.38, which means the cassava chips have been feasible to run. Where every one rupiah costs incurred will get a revenue of 1.38 times the costs incurred.