| <?xml version="1.0" encoding="UTF-8"?> | 
| <CustomField xmlns="http://soap.sforce.com/2006/04/metadata"> | 
|     <fullName>Usd_Tax_Formula__c</fullName> | 
|     <externalId>false</externalId> | 
|     <formula>IF(text(Currency__c) = 'USD',  | 
| IF(Order_date__c >= Datevalue("2018-05-01"), 6.3,  | 
| IF(Order_date__c >= Datevalue("2016-12-01"), 6.8,  | 
| IF(Order_date__c >= Datevalue("2016-07-01"), 6.5,  | 
| IF(Order_date__c >= Datevalue("2012-10-01"), 6.3,  | 
| 6.6  | 
| )  | 
| )  | 
| )  | 
| ),1  | 
| )</formula> | 
|     <formulaTreatBlanksAs>BlankAsZero</formulaTreatBlanksAs> | 
|     <label>美元税率</label> | 
|     <precision>18</precision> | 
|     <required>false</required> | 
|     <scale>2</scale> | 
|     <trackTrending>false</trackTrending> | 
|     <type>Number</type> | 
|     <unique>false</unique> | 
| </CustomField> |