Li Chen has calculated profitability ratios using data extracted from his client's pre-audit trial balance. He also has the values for the same ratios for the preceding two years (using audited figures). The data for the gross profit and profit margins are: Li is a little confused because the profit margin shows declining profitability but the gross profit margin has improved in the current year and is higher in 2025 than in the previous two years. Create a list of at least 3 explanations for why GP could increase 10\% but Profit Margin (GP - Op Expenses)/Sales could decrease 6\%. For each explanation, indicate whether this explanation would be an indication of a potential misstatement or whether it would be due to changes in the operations rather than a misstatement. "Misstatement" or "Operations" is sufficient