6. value: 4.00 points Carmen's Beauty Salon has estimated monthly financing requirements for the next six months as follows: $ 9,400 April January February March 3400 May $ 9,400 10,400 5,400 4,400 June Short-term financing will be utilized for the next six months. Projected annual interest rates are: 15% January February March 8% 9 12 April May 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.) Interest rate Interest rate D 7 %