Who can sign a determination and findings justifying the use of an award-fee contract

A person that in at least one level higher than the contracting officer is allowed to sign a determination and findings justifying the use of an award-fee contract. An award fee contract is defined as additional profit or fee aount that is awarded based on evaluations during different periods of time for contractors on their performance. This type of evalution is done based on the specific company and their needs.  

the answer is: c.that person might be arrested and deported

filling w-4 form incorrectly usually would rise suspicions from government's auditors. when they notice such mistakes, they would send their teams to investigate the situation further.

if those investigation teams believe that the incorrectness is done on purpose (with malicious intent), that person can be arrested or deported