I Two years ago, you purchased a $1000 face-value bond issued by Humana Corporation. The bond has 15 years remaining to maturity. You paid $990 for the bond at the time of purchase. The bond pays interest of 4.5 percent per annum. The current price of the bond is $950. What has been the two-year holding period return from this bond if you sell it today, and must pay a brokerage charge of $33 at the time of sale