Corporate Bond A returns 5 percent of its cost in PV terms in each of the first five years and 75 percent of its value in the sixth year. Corporate Bond B returns 8 percent of its cost in PV terms in each of the first five years and 60 percent of its cost in the sixth year. If A and B have the same required return, which of the following is/are true? 1. Bond A has a bigger coupon than Bond B. II. Bond A has a longer duration than Bond B. III. Bond A is less price-volatile than Bond B. IV. Bond B has a higher PV than Bond A