Samuel Jones was engagement quality control reviewer for the audit of Skyline Ltd in 2018. In 2019, Skyline Ltd employed Samuel as their new CFO. Samuel was aware of that he might get offered the position during the 2019 audit. What are threats to the fundamental principles in 2018 and in 2019 respectively? Select one: a. Advocacy and self-review b. Intimidation and self-interest c. Familiarity and advocacy d. Self-interest and self-revie