Answer:
a) 1955.6 J
b) 1955.6 J
c) 2607 N
d) 110373 J
Explanation:
a) 
b) Work done on bullet should be increase in KE = 1955.6 J
c) Work done = Force \times displacement = KE of bullet

d) Work done to stop 

Critical Thinking means to rush to find a solution for a problem - Inference means to having a conclusion to the situation you were facing.
What they both have in common is that if you are facing a problem, you have to come up with a good solution so that you would have a conclusion to the problem you had in the first place.