The current assets section of Exxon Mobile's balance sheet consists only of cash, accounts receivable, and prepaid expenses. The only remaining assets are PP&E. See the following summary of the 2018 balance sheet Cash Prepaid Expenses Accounts Receivable PP&E Total Assets Total Liabilities Total Stockholders' Equit $1,300,00 $360,00 $2,400,00 $6,000,00 $2,500,00 If the current ratio is 2.0 and the debt-to-equity ratio is 1.4, what are the current liabilities? A. $1,800,000 B. Cannot be determined C. $2,400,000 D. $3,600,000