Problem
On 1 November 1992 Mary had a nice home in Sydney and also acquired a second-hand yacht for $90146.
Mary borrowed $82,000 of the money from XYZ Bank to buy the yacht..
The loan was a fixed interest loan on which Mary paid interest of $45,000.
Mary sold the yacht in September 2020 for $161,000.
Task
Calculate the indexed cost base for Capital Gains Tax purposes.