The allowable loss carried forward to 2020/21 will be :11400
In the solution , after gains and CY losses when we calculate AEA why it’s (0) in 2017/18,(2000)in 2018/19 ,(12000) In 2019/20 And also Losses c/f 12000 in 2017/18 ,12000 in 2018/19, 11400 2019/20 ?