Athina is 19 years old medical student who lives in Athens,Greece,With her parents. She has been told Many stories about her very large group of relatives who live in Australia. she decides to visit Australia as an exchange studen, arriving on 1 August 2020. She enters Australia on a student visa and intends staying in Australia for up to 12 months.

When she first arrives in Australia, Athina spends 100 days staying with her Aunty Effie and undertaking a placement at a teaching hospital in Melbourne. Athina also earns $6000 working at a local Greek restaurant washing dishes.

She then travels up to Sydney and spends 50 days with her Cousin Takis, undertaking a placement at another teaching hospital. Athina then hires a campervan and travels up to NSW coast to Byron Bay, and then on to the Noosa, North of Bribane. The campervan trip takes 36days. Athina the travels to Brisbane Ariport and return gome to Athens

Required Using relevant Legislation and case law, Please answer the following question:

A: What are the four tests of residence?

B: is Athina a resident under any of the reidence tests?

C:What is the source of Athina's income from working in the restaurant?

D:How is Athina's income taxed ? Would the postion be different if she entered Australia on a 417(working holiday Visa?