15. Now let's move forward in time eleven years with Ms. Investor (see the previous two questions). It turns out that the MNO bonds she bought were not called 8 years after she bought them; in fact, market interest rates began rising such that MNO ultimately had no incentive to call the bonds. However, Ms. Investor also did not hold the bonds until they matured. Instead, eleven years after she bought her bonds for $1,068.33 each, she sold them to Mr. Financial for $952.84 each. Looking back, what has been her average annual holding period yield for the 11 years she held her MNO bonds? 15. Now let's move forward in time eleven years with Ms. Investor (see the previous two questions). It turns out that the MNO bonds she bought were not called 8 years after she bought them; in fact, market interest rates began rising such that MNO ultimately had no incentive to call the bonds. However, Ms. Investor also did not hold the bonds until they matured. Instead, eleven years after she bought her bonds for $1,068.33 each, she sold them to Mr. Financial for $952.84 each. Looking back, what has been her average annual holding period yield for the 11 years she held her MNO bonds