bond maturity, yrs 2 3 months duration yield, % 100 1.9 2.5 99.5 4.0 5.7 3.3 3.1 3.9 All securities above have face value 100. The durations above are not Modified 1. A portfolio consists of 10 T and S F. What's the portfolio's Modified Duration? If the portfolio starts with 10 of T how many F are necessary to produce a target modified duration of 3 years? 2. 3. Same question, but target duration is 0? What is the hedge ratio of F for T (how many F are needed to hedge one of T)? T for F