Easy Shop function 1. Save 90% on tax costs - self-tax return - Provides an automatic ledger function that automatically creates a ledger by collecting various transaction details - Provides the ability to self-report essential taxes such as value-added tax, withholding tax, and comprehensive income tax Easy Shop function 2. Get back more taxes paid with tax refund service - Provides VAT refundable amount inquiry and VAT refund function - Provides 5-year tax return analysis/refund funct