Answer:
option c it will have negative consequences..
I would simply make the job more enjoyable. Add cheep perks make it fun.
Answer
The answer and procedures of the exercise are attached in the following image.
Explanation
Please consider the data provided by the exercise. If you have any question please write me back. All the exercises are solved in a single sheet with the formulas indications.
I think the answer to your question is Mathematical/Logical.