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 percent?
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) Bond A
B) Bond B
C) Both are equally sensitive.
D) Cannot be determined