Please calculate this problem for me in hand writen form, please do not use excel nor examples such as Rate( 20, 80, -50, 1000). Please write the formula you are using and how is it calculated. I need to be able to understand the calculations without excel and I have to be able to write it all down on a paper. Thank you

1. Brien Ltd.'s outstanding bonds have a $1,000par value, and they mature in 25 years. Their nominal annual, not semiannual yield to maturity is 9.25%, they pay interest semiannually, and they sell at a price of $875. What is the bond's nominal coupon interest rate