Five years ago, Rock Steady Corp issued a semiannual coupon bond with seven years until maturity. This bond was originally issued at par with a $1,000 face value.

The coupon rate on the bond is 8%. Today, the yield-to-maturity (YTM) is 10%.

What was yield to maturity of this bond when it was issued?

		8%
		9%
		7.5%
		8.5%