Dr TTR, a single Australian resident, is a high profile researcher at Murdoch University earning a salary of $150,000. Apart from her time at university, TTR also has a part time job as a consultant at Woodside Energy Pty Ltd where she earns a salary of $55,000.

She provides you with the following information during the current tax year:

1) TTR uses her own car to travel to various locations to conduct experiments. She acquired the car on 1 October 2018 for $50,000. The acquisition cost was funded entirely by a loan at an interest rate of 10%. TTR has maintained all necessary records and a logbook.

TTR incurred expenses on the car. These include:

-registration and insurance $2,000

-repairs $2,800

-fines $500

For the year ending 30 June 2020, TTR estimates that the car travelled a total of 30,000 kilometres, 12,000 of which were for business purposes.

2) Sometimes TTR catches the train or taxi and has incurred various costs that can be substantiated with receipts. The following costs were incurred during the financial year:

Total train fare from home to Murdoch University - $220

Total train fare from Murdoch University to Woodside - $330

Total taxi fare from Woodside to home - $550

3) TTR spent $500 on two new suits for her work presentations.

4) Qantas membership valued at $500 was paid by Murdoch University.

5) TTR purchased $50,000 worth of shares in a small mining company on 1 November 2017. On 1 February 2020, the company declared and paid an interim dividend of $1,000, which was fully franked. TTR sold the shares on 1 June 2020 for $60,000. She paid brokerage fees of 5% on both the purchase and sales values.

6) TTR travelled to Singapore for a 5 day work related conference in December 2019. She incurred expenses of $2,000 on the plane ticket and $500 on hotel 5 days hotel accommodation expense, both being paid personally. Murdoch University provided TTR with reimbursement for food costs of $100 while attending the conference. TTR stayed on for an additional four days at her parents' home after the conference.

Required

a) calculate total taxable income

b) calculate total tax payable