Orange Inc isted 20.000 incentivestock options with an estimated value of per share The options vest over two yes- half in 2019 (the year of issue) and half in 2020 Five thousand options are exercised in 2021 with a bargain element on each option of 510 What is the book tax difference for 2019? (Amount and nature What the book tax difference for 20207 (Arount and nature) What is the book tax difference for 20217 (Amount and nature)