file below · You must answer all the questions. ·

file below 

· You must answer all the questions.

· When solving problems, you must clearly explain all the steps you are doing, and why are you making those steps.

· Show all your workings, a numeric answer is not enough.

· You should submit a document in Excel format showing all calculations.

Formalities:

· Use one page per answer.

· Cover, Table of Contents, References and Appendix are excluded of the total wordcount.

· Font: Arial 12,5 pts. 

· Text alignment: Justified.