Please answer it perfectly , dont upload any previous solution , just answer all the parts to the point

I will surely upvote your efforts

A quaternary mixture with 4 mole% component A, 40 mole% component B, 50 mole% component C and component D is to be distillate it at 1 atm with 98% component B and 1% of component C recovered in the distillate and 99% of component C in the bottom streams. Given _AC=6.46, _BC=2.48 and _DC=0.41. Calculate: (i) The composition of top and bottom products. [3.0 marks] (ii) What is the minimum reflux ratio for a liquid feed at the boiling point (T=80^oC)? [3.0 marks]