Corefocus Resources Handpicked tools and links to streamline your tax, business, payroll, and compliance management. Tax & Financial Calculators Simple Tax Calculator – Estimate income tax. Tax Withheld Calculator – Calculate withheld tax. Home Office Expenses – Work-from-home claims. Medicare Levy Calculator – Estimate Medicare levy and Medicare levy surcharge. Employment & Payroll Tools Single Touch Payroll (STP) – Payroll reporting compliance. Fair Work Ombudsman – Workplace rights & awards. Minimum Wage Checker – Find award pay rates. Leave Calculator – Calculate annual & sick leave. Business & Compliance ABN Lookup – Verify ABNs and entity info. ASIC Register – Search companies & names. Business.gov.au – Grants, tools & advice. GST & BAS Toolkits – Manage tax obligations. Learning & Support ATO Webinars – Learn tax & record-keeping. Access government services. Central – Xero accounting support. QuickBooks Help – Tutorials & assistance.