The Johnson Family Trust was created on 1 July 2020 by Liam Johnson contributing $100 into the trust. Shortly afterwards his son Lucas Johnson added $500,000 into the trust. The trust invested $500,000 into the following assets on 15 August 2020:

- 1 (One) Bedroom investment apartment $380,000

- Listed company shares:

500 CBA shares $50,000

10,000 A2M shares $70,000

The trust received the following incomes from above investment assets for the year ended 30 June 2022:

Net rental income $25,600

Unfranked dividends - A2M $2,000

Fully Franked dividends - CBA $7,000

Total income $34,600

When advised of the total income of $34,600, the trustees comprising Liam and Lucas distributed and paid off the total income to the following beneficiaries on 3 July 2022:

-Will Johnson, aged 22(resident, full time university student) $15,000

-Rose Johnson, aged 30 (non-resident) $10,000

-Joshua Johnson, aged 16 (resident, full time student) $9,600

On 28 July 2022, a tax agent completed the preparation of the trust's tax. The net income shown on the tax return was $37,600.

Briefly outline why there is discrepancy between the total income and the taxation 'net income' of the trust.