You observe the Treasury yield curve below (all yields are shown on a bond-equivalent basis). All the securities maturing from 1.5 years on are selling at par. (Hint: This is a key piece of information. What does it imply when a bond is selling at par value?) The 0.5-year and one-year securities are zero-coupon instruments. Year YTM Spot Rate Z Rate 0.5 5.25% 5.25% 2.625% 1.0 5.50 5.50% 2.75% 1.5 5.75 Z3= 2.0 6.00 Z4= 3. Please find out: Z3= and 24- O 23=2.880%; Z4=3.010% O Z3=5.760%; Z4=6.019% Z3=5.750%; 24-6.000% O 23=2.875%; Z4=3.00%