(b) Businesses with aggregate annual turnover less than $10 million are allowed to use wither cash or accrual basis of accounting. (c) Business with annual aggregate turnover in excess of $10 million must use accrual basis of accounting for GST purposes. Task 2: Supply Tax codes Taxable (10% rate) GST-free Input taxed Exempt Superannuation, wages paid / received X Supplies out for exported goods and services X Residential rent income or expenses X Money lent/ borrowed X Fresh food or medicines X Purchase or