A little unsure as to how to calculate the bond with the interest tree provided. The adjacent interest rate tree is being used to price an 8% coupon 4-Year $100 Par bond. The bond is puttable at the end of Year 1 for a price of $99.75, at the end of Year 2 for $99.85, and at the end of Year 3 at Par

10.23

9.56 8.83

8.91

7.8 7.21

7.1 7.41

6.91 6.35