(a) In a short sale scenario, the lender of the stock may require the borrower to post collateral to mitigate against default risk. Can the lender eliminate their exposure to default risk with collateral? Explain why they can or cannot. [3 points] (b) For each of the following n-year coupon paying bonds, indicate which is greater: the yield to maturity or the coupon rate [3 points]: Bond selling at par Bond selling at a discount Bond selling at a premium