Sawyer Corporation's 2018 sales were $7 million. Its 2013 sales were $3.5 million. a. At what rate have sales been growing? Round your answer to two dedmal places. (2) 4 b. Suppose someone made this statement: "Sales doubled in 5 years. This reptesents a drowth of 100 in in 5 years; 6 dividine 100 is br 5 , wit find the growth rate to be 20% per year." is the statement correct