Use the following information for the next 5 questions. Suppose you are receiving $9,600 today (year 0 ) but must make the following payments in years 1 to 4: What is the IRR of this offer? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., enter " 32.16 " for 32.16%.) Question 4 Which of the following discount rates will result in an accepted offer? Check all that apply. 12% 14% 16% 18% 20%