questions ate? What is an opportunity cost rate? b. How is this rate used in time value analysis? e. Is this rate a single number that is used in all situations? 2 What is the difference between a lump sum, an annuity, and an unequal cash flow stream? at Lakes Health Network's net income increased from $3.2 9.3 Gre flows lion in 2005 to $6.4 million in 2015. The total growth rate over mil the ten years is 100 percent, while the annual growth rate is only about 7.2 percent, which is much less than 100 percent divided by ten years a. Why is the annual growth rate less than the total growth rate time divided by ten? b. Which growth rate has more meaning- the total rate over ten years or the annualized rate