Solve for both 10% and 12%

Sovereign Debt Negotiations. A sovereign borrower is considering a $100 million loan for a 4-year maturity. It will be an amortizing loan, meaning that the interest and principal payments will total, annually, to a constant amount over the maturity of the loan. There is, however, a debate over the appropriate interest rate. The borrower believes the appropriate rate for its current credit standing in the market today is 10%, but a number 0 international banks with which t is negotiating are arguing that is most likely 12% at the minimum 10%. What impact do these different interest rates have on the prospective annual payments