A typical code of ethics for engineers would most likely mandate all of the below, EXCEPT

a$.$ Engineers should be fair and objective when preparing reports and presentations.

b$.$ Engineers should not share project related information with non$-$employees without prior approval from the client or the employer.

c$.$ Engineers should not sign any documents without appropriate authority and qualifications.

d$.$ Engineers should only offer a payment or a gift in exchange for awarding a contract by public authority if specifically authorized by the employer to do so$.$