An insurance company must make payments to customer of $10 million at the end of the first year and $6 million at the end of the sixth year. The yield curve is flat at 8%. The company wants to do bullet immunization for its obligation with a single issue of a zero-coupon bond. Briefly explain bullet immunization. Calculate the duration of the company's obligations. What maturity zero-coupon bond would immunize your obligation? Why? Calculate the face value and the market price of the zero-coupon bond. Immediately after you purchased the zero-coupon bond, yield curve falls to 7% flat. What is the difference between the value of the bond and that of the company's obligations