Problem 1: One air cleaning machine producer had the total sales of $1.20 million in 2007 , and $1.45 million in 2008 . The extemal data shows that the total sales of air cleaning machine markets are $125 million in 2007, and \$148 million in 2008. - How much is the market share of the air cleaning machine producer in 2007 and 2008, respectively? - How much is the sales growth rate during 2007.08? - How much is the sales growth rate of the total air cleaning machine markets during 200708 ? - What do you think about the performance of the air cleaning machine producer? Problem 2: One credit card company sent 1,000,000 letters with the costs of $1.8 million dollars to the target market, and finally they issued 46.000 new credit cards. After one month, only 41,000 of them activated a credit statement. - How much is the acquisition rate? (Show two approaches) - How much is the acquisition cost? (Show two approaches)