Q. A recent college graduate is trying to save for his retirement. He believes which he will most likely be able to place $1800 in his retirement account at the beginning of each of the next 40 years. His goal is to retire after 40 years of work with a total of $1,000,000 in his account. Illustrate what is the lowest expected annual interest rate which will ensure which this individual reaches his financial goal after 40 years of saving?