Hi, please help me find the correct solutions to these problems? I hope my answers are right.

Thank You Keep Safe & Have a Great Day!!!

16.. What is the coupon rate of the USD50K ROP bond if the coupon payment is USD1,937.50 every 6 months? (a) 5.75% (b) 6.75% 7.75% 8.75% 9% ANS: (c) 17. How much will Mark receive every 6 months from the 6.375% coupon USD 150K ROP he bought? (a) USD4,500 USD4,750 USD4,781.25 USD4,850.75 USD4,900 (e) ANS: (c) 18. Mr. Ong goes to the branch and informs the branch manager that he will sell his USD 200K ROP31 holding and buy USD 200K of ROP32. Given the following: ROP31 ROP32 7.75%cpn 6.375% cpn 109.75-110.75 96.25-97.25 How much will he receive every 6 months for ROP32? @OGO USD15,500 USD7,750 USD12,750 USD6,375 USD6,500 ANS: (d) 19. How much will Peter pay if he will buy Php1MM Face Value of FXTN with 6.5% coupon at par 5 days after the issuance of the FXTN? OOO Php1.OMM Php1,000,722.22 Php1,250,000 Php1,250,722.22