Growth Rates Sales for Hanebury Corporation's just-ended year were $7 million Sales were $3.5 million 5 years earlier a. At whatrate did sales grow? Do not round intermediate calculations. Round your answer to two decimal places b. Suppose someone calculated the sales growth for Handbury Corporation in part a as follows: "Sales doubled in 5 years. This represents a growth of 100% in 5 years: dividing 100% by 5 results in an estimated growth rate of 20% per year." Explain what is wrong with this calculation