Consider Fisher & Company's financial data as follows: (unit: millions of dollars except ratio figures): Cash and marketable securities Fixed assets Sales Net Income Inventory Current ratio Average collection period Average common equity $100 $280 $1,200 $358 $180 3.2 45 days $500 (a) Find Fisher's accounts receivable, amount of current assets, current liabilities, total assets, long- term debt. (b) Calculate the profit margin, and Return on Common Equity