Today is $2/1/2024.$ Consider the Lyondell Chemical Company$$s $11\%$ notes that mature on $2/1/2030.$ These notes are callable on $2/1/2027$ at $101.$ The bonds have a current price of $114\mathrm{.}375.$ You may use Excel or a financial calculator. Please assume semiannual coupons.

a$.$ What is the yield to maturity on these bonds?

b$.$ What is the yield to call on these bonds?

c$.$ What is the yield to worst on these bonds?