definiens: means modifications to the Specifications by GenMark that ( 1 ) affect the form, fit, function, de livery schedule, performance, reliability, appearan ce, dimensions, tolerance, safety or purchase price of such Products or ( 2 ) require additional or modified Testing Criteria . GenMark agrees to submit all Engineering Changes to [COMPANY] in writing . [COMPANY] will use comme rcially reasonable efforts to respond to GenMark within * * * with a written evaluation of the Engineering Chang e including : ( a ) the administrative cost to implement the Engineering Change ; ( b ) the cost to modify Gen Mark Equipment or related non - recurring expenses ; ( c ) th e quantity of Materials that will become Obsolete M aterials due to the Engineering Change ; ( d ) the cost to rewo rk work - in - progress Products ; ( e ) any Product price adjustment resulting from the Engineering Change ; ( f ) the expe cted effect on the delivery schedule ; and ( g ) the m anner in which the Engineering Change will be implemented