I need help from an expert in Aspen Plus please

Question 3 (40 points) The process flow diagram & input data is shown below for the Radfrac distillation process. VAPOR MIXER1 FEED FLASH1 MA1 PRODUCT VAPOR FREEWTRO VIBKO MDCER2 MDER3 WA1 WWXXX ACETONE MAZ PRDT21 PRODUCTS MBK MBK2 WATER Figure 1: Radfrac distillation DS-2 x FREEWATE (MATERIAL) - Results B6 (RadFrac) DS-1 X DS-2 - Results Results Summary - Streams X Configuration Streams Pressure Condenser Reboiler 3-Phase Comments View Top/Bottom Top stage / Condenser pressure Stage 1 / Condenser pressure 15 psi Stage 2 pressure (optional) Stage 2 pressure Condenser pressure drop psia psi Pressure drop for rest of column (optional) Stage pressure drop Column pressure drop psi psi Figure 2: pressure input a- Explain the purpose of Radfrac distillation in a ASPEN Plus (20 points) b- Describe the steps for input specification for configuration and streams in the aspen plus for the Radfrac distillation column (10 points). C- Explain the pressure input for the Radfrac distillation unit in various stages (10 points)