ppm gpm 1. The below diagram is 2-stage RO array. Please fill in the empty boxes with the appropriate number for TDS concentration and flowrate. Also, please evaluate 2-stage RO array in terms of water recovery with the obtained flowrate in the last stage. (1) 50% recovery at each stage STAGE 1 STAGE 2 (2) 98 % rejection ppm of membrane gpm PRODUCT ppm in TDS gpm FEED 100 gpm 200 ppm gpm gpm ppm 100 ppm REJECT