fast please

Question 1 a) Sarah is interested in expanding her portfolio into bond market She is interested in investing in recent bonded by ADNOC ADNOC V The rate is 8.5% with a par value of AFD1000 matung in 20 years, Calculate the present value of the bond b) Would it make a difference ADNOC pays Interest rate of 9% semiannualy Show your calculation in there would be e) Would it make a difference i ADNOC pays Interest rate of 0% quarterly Show your calculation fint. There would be payments