Direction: Study the following information and answer the following questions.

Five persons are working in a bank. Their designations are CEO, CFO, Manager, Clerk, and Peon. The sequence of the posts is as above i.e. CEO is the senior most and Peon is the junior most person. They have a different number of pens. No two persons have the same number of pens. Two persons are junior to T. The difference in the number of pens between Y and T is 14 and T has the least number of pens. The one who is just senior to the one who is Manager has 31 pens. V is just senior to the one who has 43 pens. There is one designation between the Manager and Y. V has 11 pens more and 9 pen more than S and M respectively. One designation lies between the one who has 31 pens and V.

Who is on the post of CFO?