A single effect evaporator is fed with 10000 kg / h of weak liquor containing 15 % caustic by weight and is concentrated to get thick liquor containing 40 % by weight caustic. Calculate:(i) kg / h of water evaporated and(ii) kg / h of thick liquor

• A. 4560 kg/h, 3720 kg/h
• B. 3460 kg/h, 7680 kg/h
• C. 4350 kg/h, 6732 kg/h
• D. 6250 kg/h, 3750 kg/h