5. That being satisfied with the performance of the Plaintiff in the initial contract, the Defendants approached the Plaintiff to give a proposal for direct contract for the supply, installation and maintenance of two additional inverters (15KVA) for the server rooms at Niger House and River Plaza ECOWAS Commission Office Annexes in Abuja ( the subject matter of this Dispute). 6. By a proposal submitted the Plaintiff, the indicative price schedule for the supply, installation and maintenance of two additional inverters (15KVA) for the server rooms at Niger House and River Plaza office Annexes in Abuja was to cost fifty six million, four hundred and fifteen thousand, four hundred and twenty two naira (N 56, 415, 422.00) only, the 2nd Defendant received the quotation from the Plaintiff, vetted and approved same. 7. The 2nd Defendant drafted and prepared a contract which was approved by both parties. 8. The Plaintiff completed the contract and was issued a completion certificate by the Defendants. 9. By the terms of the contract, the Plaintiff was to be paid within thirty (30) days of acceptance of the contract. The Contract document further provided that where payment is delayed up to 6