from plaintiff's solicitor sometime in May 2008 and identified the letter through its content. The without objection by Exhibit A3. He went signature and stamp objection and marked letter was tendered and admitted in evidence the counsel to the defendants and was marked as on to identify the computation he made through his and same was tendered in evidence without any as Exhibit A4. The computation amounted to 366 Million Naira. Finally, he stated that he forwarded his bill to the plaintiff in the sum of 12.75 Million Naira. 19. The third plaintiff witness, Godwin Nwekoro is a legal practitioner in the law firm of Etudo & Co. He stated that sometime in May 2008 he was directed by his principal to draft three letters addressed to the Managing Director of Petrostar Nigeria Ltd, Nkem Mbanifor & Co and Mr, Ifeanyi Eke of Blackberry Nigeria Ltd respectively. He stated that the letter addressed to the Managing Director of Petrostar Nigeria Ltd was a bill of charges in respect of the subject matter of this case in the sum of 25.5 Million Naira whilst that addressed to Mr. Ifeanyi Eke was a letter of reminder. 20. PW3 continued by saying that he dispatched two documents by DHL to Petrostar and Mr. Ifeanyi Eke respectively after they were signed by his principal. He stated that he went to DHL and collected the proof of service and attached same to the documents. He concluded his testimony by identifying the documents, and same were tendered in evidence without any objection, and were marked as Exhibits AS and A6 respectively. concluded his testimony by identifying the two documents, charges and the letter of reminder. PW3 the bill of 21. The 4" plaintiff witness (PW4), Mr. Emmanuel Onyekachi is a civil servant working with the Department of Petroleum Resources. He testified that some time in 2007 the Managing Director of Blackberry Nigeria Ltd Mr. Ifeanyi Paddy Eke (second defendant) approached him with an LPO from Shell. PW4 continued that the second defendant intimated to him that he wanted those who had the product for supply so he introduced him to the plaintiff in this case. He stated that the parties entered into a contract though he did not know the details of same.