Five years ago, Ajax Corporation issued 100,000 units of $1,000 face value 20-year bonds with 4% coupon rate paid semi- annually. The bonds were issued to fund business expansion and were well received by investors and sold at 103.5% of their face value. The bonds are currently trading at 98.0% of face value. Which of the following is true regarding Ajax bonds' yield to maturity (YTM) now compared to when the bond was issued? Select one: O a. The YTM has decreased to 98.5% from 103.5% O b. The YTM has decreased to 2.09% from 3.75% Oc. The YTM has increased to 4.18% from 3.75% Od. The YTM has increased to 4.18% from 1.87% Oe The YTM is unchanged at 4% since the bond price has leveled.