In fiscal 2010, The Forzani Group Ltd. reported sales revenue of $1,358.3 million, cost of goods sold of $864.0 million, and profit of $28.8 million. In fiscal 2009, it reported sales revenue of $1,346.8 million, cost of goods sold of $863.2 million, and profit of $15.1 million.

(a) Calculate the gross profit margin and profit margin for each year.

(b) Comment on Forzani's changing profitability.