needed help on a couple multiple choice questions

QUESTION 1 Market signals can be used to do which of the following (select all that apply): a. Provide a long-term view of risk b. Identify default candidates BC Forward looking indicator d. Assist in relative value analysis QUESTION 2 What are credit default swaps? a. The difference between a corporate bond price and that of the US Treasury with closest maturity b. An insurance contract against a default by a given company or sovereign entity The market price of public shares in a corporation The estimated default frequency of a company