An investor purchasod a .20-year 2.35\% Troasury note at the issue price of 100 on June 1, 2021 , As tho government response to COVID-19 pandemic continued, investors became worriod about the U.S. govornmont's abety to servico its growing debt burden and sold largo quantities of Treasury securities. The decreasod demond pushod Ireasury prices down. On Juno I, 2022. exactly one year alter buying the I-note. the investor sold it for 78 affer receiving two coupon payments. What was the yiold to maturity when the investor purchased the note? What was the investor's realized return, stated as an APR, when sho sold the frote? LO