The Milken Company is offering you an investment that promises you $10,000 at the end of 6 years if you invest $7.520 today. What is the annual return on this investment? Compute your answer as a percent rounded to 2 decimal places. Record without a percentsign. For example, record. 0848765=8.48765% as 8.49. Your Answer: Answer Question 15 (6.76 points) Sam refuses to retire until his retirement account has a balance of at least $420,143 Sam refuses to make any more deposits in the account. The account currently has a balance of 103,047 and earns 6% per year, compounded semi-annually. How long does Sam have before he will retire? You are computing number of years. Round your answer to one decimal place. For example, record 14.294 years as 14.3