please help. solve part a,b, and c

(Assessing leverage use) Financial data for three corporations are displayed here: a. Which firm appears to be excessively leveraged? b. Which firm appears to be employing financial leverage to the most appropriate degree? c. What explanation can you provide for the higher pricelearnings ratio enjoyed by firm B as compared with firm a. Which firm appears to be excessively leveraged? (Select the best choice below.) A. Firm A B. Firm B C. Firm C Data table (Click on the following icon in order to copy its contents into a spreadsheet.)