How much is tax free in Spain?｜The standard VAT rate in Spain is 21%. Spain will reimburse . The minimum purchase threshold is 0.01 EUR.between 12.75% and 15.3% of the amount you spend during your trip on products subject to standard VAT rates

Could you please elaborate on the tax-free policy in Spain? I understand that the standard VAT rate stands at 21%, but what exactly does Spain reimburse? Is it a percentage of the total purchase amount? Also, could you clarify the minimum purchase threshold of 0.01 EUR? And how does it apply to purchases made during a trip? Additionally, is the reimbursement rate between 12.75% and 15.3% applicable to all products subject to the standard VAT rates?