On July $1,2020,$ Davis Corp. issued $ $800,000$ par value, $10\%,10-$year bonds, with

interest payable semi$-$annually on January $1$ and July $1.$ The bonds were issued for $

$908,722.$ On January $2,2022,$ Davis offered to buy back the bonds at $103.$ Forty percent

of the bondholders accepted the offer. Davis uses the effective$-$interest method of

amortizing premium or discount. 

How to find I$/$Y in a financial calculator.