A process engineer tasked with energy recovery project has collected the data from one of the processing plants, as shown in table below. The engineer plans to utilise heat integration approach for the project, with a minimum temperature difference of 10 C. Stream Type AWN 1 2 3 4 5 6 Cold Hot Cold Hot Cold Hot Temperature (C) Supply Target 20 135 170 60 80 150 150 30 50 180 140 40 Heat capacity flowrate (kW/C) 2 3 4 1.5 2.5 3.5 | a) Using problem table algorithm (PTA), generate a table with minimum hot and cold utilities required as well as the pinch temperature for hot and cold streams. (10 marks)