Answer:
The correct answer is d. a tradable contract that entitles its owner to certain rights.
Explanation:
When we probe the market in search of a new professional opportunity, either to find a job or to improve, to reach a mutual understanding, we negotiate what are called "working conditions, that is, the remuneration package, social benefits, and other remuneration in kind within what are known as 'flexible remuneration programs'.
There is a very wide range of compensation measures that we can take advantage of. Although our 'strength' to negotiate will depend directly on our profile, our position, and the interest that the company or organization has in retaining us.
A curious story in this area are the conditions that the new signing of Soccer Club Barcelona, the Brazilian Neymar, who has negotiated by contract a visit to Barcelona from Brazil with all the expenses paid by the club for his friends. This breaks many barriers, especially in an environment where ordinary mortals are facing salary cuts, deterioration of the work environment and unemployment.
Therefore, when asked if everything can be negotiated, the reality is that almost everything, always being interesting to "squeeze" our possibilities based on what is achievable for our position and circumstances.