How do you calculate 9.25% as the Net profit margin?

Table 19.1B: Balance Sheet Assets Cash and Equivalent Accounts Receivables Inventories Total Current assets Property Plant and Equipment Goodwill Total Assets 12,664 18,493 6,165 37,322 49,500 0 86,822 Liabilities and Shareholder's Equity ints payable Debt Total Liabilities Stockholder's equity Total Liabilities and Equity 4,654 4,500 9,154 77,668 86,822 Net profit margin 9.25%