answer must be in 100-200 words

The company's bank won't lend it any more money than it already has, and investment bankers have said that debentures are out of the question. The treasurer has asked you to do some research and suggest a few ways in which bonds might be made attractive enough to allow the company to borrow. Please provide a detail explanation for numbers 1-4. 1. Explain how to secure the bonds with owned assets in great detial. In what ways does it make the bonds more attractive to allow the company to borrow? 2. What is the agreement to subordinate future debt? How does it make the bonds more attractive? 3. What does providing a restrictive indenture limiting the risk in future undertakings do? How does it make the bonds more attractive? Explain in great detail. 4. How does providing a sinking fund for principal repayment make the bonds more attractive? Explain in detail