FPH price (USD /kg) FPCP purchase cost (USD /kg) 10 20 25 30 35 40 3 N/A* (-42.7%) 17.63 (5.4%) 4.55 (21.9%) 2.60 (38.4%) 1.82 (55.0%) 1.40 (71.5%) 2 N/A (-18.6%) 4.36 (23.0%) 2.50 (40.0%) 1.75 (57.0%) 1.35 (74.0%) 1.10 (91.0%) 1 0 24.61 (4.0%) 4.97 (20.1%) 2.40 (41.7%) 1.63 (61.5%) 1.69 (59.2%) 1.26 (79.6%) 1.30 (76.7%) 1.02 (97.6%) 1.06 (94.2%) 0.86 (115.7%) 0.89 (111.7%) 0.75 (133.7%) *N/A: not available, which means no payback time

Table 8: Impact of the FPCP purchase cost and FPH price on investment payback time and return on investment (in bracket), based on the microwave-intensified chemical process with the production yield of 800 kg per batch.