Madeline owned the following lots of Red Corporation Stock

Purchase Date	No. of Shares	Basis
October 1, 2011	100	$8,000
February 8, 2012	100	$3,500
September 5, 2012	200	$6,000

On October 12, 2020, she sold 200 shares of stock for $11,000

Madeline did not specifically identify the share of stock sold. What is the recognized gain or loss?

A. $500 loss

B. $4,500 gain

C. $5,000 gain

D. $2,500 gain

Please explain