The Table presents the amount of milk (in litres) sold by two milkmen in eight days.

If A is the total amount(in litres) of milk sold by milkman 1 in day 2 and day 3, and B is the total amount(in litres) of milk sold by milkman 2 in day 7 and day 8 then (B - A) is equal to:

A

59

B

56

C

58

D

57