This solved assignment focuses on calculating the taxable income for an individual named Jack for the year ending June 30, 2016. The calculation involves analyzing various income streams, including employment income, business income from lawn mowing, and investment income. Expenses such as registration fees, course fees, and accountant's fees are also considered for deductions. The assignment provides a step-by-step solution using relevant sections of the Australian Income Tax Assessment Act 1997 (ITAA 1997) and Taxation Rulings (TR).