Jack, as the chief financial officer of Texana, incurred various expenses during the financial year ending in $2024,$ with the aim of seeking tax deductions to reduce his tax liability. His expenditures were as follows:

$1.$ Fees and materials for a university course studying Master of Computer Science:

$$20,000.$ Jack believes this Master course will assist in maintaining and developing

Texana's computer system.

$2.$ Travel expenses from work to university and then from university to home: $$1,200.$

$3.$ Meals expenses incurred during evening university classes: $$650.$

$4.$ Income tax liability for the $2022/2023$ income year: $$6,500.$

$5.$ Interest on a loan taken out to pay income tax liability: $$1,200.$

$6.$ Business suits for visiting Texana's customers: $$6,000.$

$7.$ Donation to a political Party before the Federal election: $$1,800.$

$8.$ Expenses associated with an office set aside in Jack's home for work activities

conducted in the evening and on weekends. These expenses cover a portion of the

interest on his home loan, electricity, and depreciation of furniture and office

equipment: $$3,000.$

You must support your answers with Australian legal sources $($legislation$,$ rulings or cases$).$