Please give me detailed solution of this problem. (AMS 318 book: Mathematical Interest Theory Second Edition)

(8.3) The term structure of interest rates

just #(6)

(6) Spot rates associated with a four-year, par-value, $3,000, 6% bond with annual coupons are ri 4.5%, r2 E r3 5.5%, and r4 6%. Calculate the value of the bond and its yield if it is sold at a price equal to its value. (7) In Example (8.3.3) we calculated the two-year spot rate and found r2 3.866088985%. Explain how there would be an arbitrage opportunity if there