2. Progressive Corporation (a properly and casualty insurance company) reported e following n its 2013 annual report: In March 201 3, we entered into an unsecured, discretionary line of credit (the ^''Line of Credit^'') with PNC Bank, National Association (^''PNC^'') in the maximum principal amount of dollar100 million. Subject to the terms and conditions of the Line of Credit documents, advances under the Line of Credit (if any) will bear interest at a variable rate equal to the higher of PNC^'s Prime Rate and the sum of the Federal Funds Open Rate plus 50 basis points. Each advance must be repaid on the 30hl date after the advance or, if earlier, on March 25, 2014, the expiration date of the Line of Credit. Prepayments are permitted without penalty. All advances under the Line of Credit are subject to PNC^?s discretion. We had no borrowings under the Line of Credit in 2013. Aggregate principal payments on debt outstanding at December 31 , 201 3, is as follows:Required: d. What is the amount of the unauthorized discount on the 6.25% notes as of December 31 , 2013? e. What cash interest payment did Progressive make for the 6 5/8 notes in 201 3? What interest expense did Progressive record for these notes during 2013? Assume for this question that Progressive pays interest annually