I need work shown, formulas. steps displayed. thank you.

1) Consider AlliedSignal Corporation's $1000 par value, 9.875 % coupon bonds that mature on June 1, 2024. Assume that the coupon on these bonds is paid annually. a) Find the value of these bonds as of June 1, 2018 to an investor whose required rate of return is 7%. b) What would be the value if the coupon was paid semi-annually