1033.71—Payments to the producer-settlement fund.
         Each handler shall make payment to the producer-settlement fund in a manner that provides receipt of the funds by the market administrator no later than the 15th day after the end of the month (except as provided in  § 1000.90 ). Payment shall be the amount, if any, by which the amount specified in paragraph (a) of this section exceeds the amount specified in paragraph (b) of this section:
    
    
    
    
        
        (1) 
         An amount obtained by multiplying the total hundredweight of producer milk as determined pursuant to  § 1000.44(c) by the producer price differential as adjusted pursuant to  § 1033.75 ;
    
    
        
        (2) 
         An amount obtained by multiplying the total pounds of protein, other solids, and butterfat contained in producer milk by the protein, other solids, and butterfat prices, respectively;
    
    
    
        
        (4) 
         An amount obtained by multiplying the pounds of skim milk and butterfat for which a value was computed pursuant to  § 1033.60(i) by the producer price differential as adjusted pursuant to  § 1033.75 for the location of the plant from which received.