Which Bond Is More Sensitive to an Interest Rate Change

Multiple Choice

Which bond is more sensitive to an interest rate change of 0.75%?
Bond A: YTM = 4.00%, Maturity = 8 years, Coupon = 6% or $60, Par Value = $1,000
Bond B: YTM = 3.50%, Maturity = 5 years, Coupon = 7% or $70, Par Value = $1,000

A) A
B) B
C) Both the same
D) Cannot be determined