A firm's balance sheet contains $320 of cash, $2,000 of fixed assets, $1,380 of accounts receivable, $780 of accounts payable, $500 of inventory, and $1,000 on a revolving line of credit. Assuming that list contains all of the company's assets and liabilities.How much are current assets? What is the company's quick ratio? What is the company's book value? (Show calculation).