Observe the following graph and answer the question.
(1) State the type of the graph.
(2) How much is the savings of Vaishali in the month of April?
(3) How much is the total savings of Saroj in the months March and April?
(4) How much more is the total savings of Savita than the total savings of Megha?
(5) Whose savings in the month of April is the least?