The cost of a share in Ace Enterprises was Tk. D on January 1, One year later, a share increased to Tk. Q. The fraction by which the cost of a share has increased in the year is

The cost of a share in Ace Enterprises was Tk. D on January 1, One year later, a share increased to Tk. Q. The fraction by which the cost of a share has increased in the year is –

A (D-Q)/Q

B (Q-D)/D