Carmen's Beauty Salon has estimated monthly financing requirements for the next six months as follows: S 9,100 January 9,100 April 10,100 February 3,100 May 5,100 March 4.100 June Short-term financing will be utilized for the next six months. Projected annual interest rates are: 12% January 5% April February 6 May March 9 June What long-term interest rate would represent a break-even point between using short-term financing and long-term financing? (Round your monthly interest rate to 2 decimal places when expressed as a percent. Round your interest payments to the nearest whole cent. Input your answer as a percent rounded to 2 decimal places. nterest rate