You have received a fax from a customer who in the fax complained that he had received 100 green colour bicycles instead of 50 green and 50 blue colour bicycles. In order to solve the problem and find out the facts ,you write a short note to the warehouse. 
Write a short note to Mr. Randy Simon ,who is in charge of delivering goods from warehouse. 
Tell him about the claim.  
Mention the date of delivery.
Ask for the duplicate invoice. . 
Write 30-40 words on your Answer Sheet.
 
Dear Mr. Simon, 
A customer complained that he had received 100 green coloured bicycles instead of 50 green and 50 blue colour bicycles ,which had been shipped on 11th May. Could you please send me the immediate invoice under contract No. TXI 2- 1 in duplicate?