(2) Upon receipt of the Purchaser’s written notice specifying the modifications or variations, the Vendor shall, within ten (10) working days or such other period as specified in the Purchase Order, propose the Purchaser in writing;
(a) any increase or decrease, if any, in the Contract Price that will result from the carrying out of
the modifications or variations specified in the Purchaser’s notice, and/or
(b) any extension or shortening of the Delivery Date(s), if any, that is required by the Vendor.