Author details

analysis, the project was financially feasible if the NPV is positive, IRR value is higher than discount factor, and B/C ratio value is higher than one [75]. The financial ratio calculations were presented in Table 12. It can be clearly seen that 400 ind/m3 stocking density was financially feasible, because it has positive NPV (Rp 69,439,955), IRR value that was higher

Figure 8. (above) Diagram of operational cost and (below) diagram of investment cost components (in percentages) at

than discount factor (15.49%), and B/C ratio that was higher than 1 (1.22).

400 ind/m<sup>3</sup> [50].

320 Biological Resources of Water

Gede Suantika\*, Magdalena Lenny Situmorang, Pingkan Aditiawati, Dea Indriani Astuti, Fahma Fiqhiyyah Nur Azizah and Harish Muhammad

\*Address all correspondence to: gsuantika@sith.itb.ac.id

Microbial Biotechnology Research Group, School of Life Sciences and Technology, Institut Teknologi Bandung, Indonesia
