-calculate the Z-Score & Comment on the results,2- Find a debt rating & Comment on the rating

Q1- From the financial statements for Nova Scotia Power for the year-ended 2012. Prepare and calculate the Z-Score for 2011 and 2012. Comment on the results.
Attached : (financial statements for Nova Scotia Power for the year-ended 2012)
Q2-Research Nova Scotia Power debt online. Find a debt rating for Nova Scotia Power from one of the debt rating agencies. Comment on the rating.

Attached: the chapter from the book which is related to the questions, also attached the manual solution for the chapter