Maintenance_Price_Amount__c
    if(OR( Return_Flag__c , ChangeAcc_flag__c )
,Asset__r.Maintenance_Price_Year__c *  Asset__r.Guarantee_period_year__c / ( endDateGurantee_Text__c -  startDateGurantee_Text__c )
,Asset__r.Maintenance_Price_Year__c *  Asset__r.Guarantee_period_year__c)
    false
    /*已失效的产品,维修报价总额为0*/
if( Invalid__c ,0,if(Return_Flag__c 
,Asset__r.Maintenance_Price_Year__c *  Asset__r.Guarantee_period_year__c *(endDateGurantee_Text__c -  startDateGurantee_Text__c)/ guarantee_period__c
,IF(ChangeAcc_flag__c ,Asset__r.Maintenance_Price_Year__c *  Asset__r.Guarantee_period_year__c *(endDateGurantee_Text__c -  startDateGurantee_Text__c)/ Asset__r.guarantee_period__c,Asset__r.Maintenance_Price_Year__c *  Asset__r.Guarantee_period_year__c)))
    BlankAsZero
    
    18
    false
    2
    false
    Number
    false