(2) For the related Services of Goodsa) Ninety percent (90%) of the Contract Price shall be paid within Sixty (60) days from the receiving date of Seller’s Commercial Invoice with following documents;1) Time Sheet with Purchaser’s signature; and2) Supporting documents and/or evidences of such.b) Ten percent (10%) of the Contract Price shall be paid as final payment within Seventy Five (75) days from the Receiving date of Seller’s Commercial Invoice with following documents;1) Warranty Bond, value of which equals to ten percent (10%) of the Contract Price and valid until expiration of Warranty Period.2) Copy of Operational Acceptance Certificate.