17. For information to be useful to the supply chain, it must be all of the following except:
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the answer should be demonstrations i hope this

answer: 11/12

step-by-step explanation: 4 1/4 and 3 1/3 is equivalent to 4 3/12 and 3 4/12. 4 3/12 - 3 4/12 =11/12

answer; blank(1); /// whitelisting; blank(2); // blacklisting;

answer; commerce clearing house;