After sentence 13 I have to have 20 characters to post the answer
Answer:
The word gloomy would best complete it.
Accountancy is the practise of recording, categorising, and reporting on a company's business transactions. It provides management with feedback on financial results and status.
Okay so comparing and contrasting is ways of finding similarities and differences between two things . So comparing is showing the similarities and contrasting is showing differences between two things that are related and different.