Answer Questions 1 through 4 on the basis of the financial statements of Firm X

The balance sheet and income statement shown below are for Firm X

Balance Sheet (Millions of $)
Assets	2020
Cash and securities	$ 2,554.0
Accounts receivable	10,660.0
Inventories	13,440.0
Total current assets	$26,654.0
Net plant and equipment	18,346.0
Total assets	$45,000.0
Liabilities and Equity
Accounts payable	$ 8,980.0
Notes payable	6,880.0
Accruals	4,620.0
Total current liabilities	$20,480.0
Long-term bonds	11,920.0
Total liabilities	$32,400.0
Common stock	3,360.0
Retained earnings	9,240.0
Total common equity	$12,600.0
Total liabilities and equity	$45,000.0
Income Statement (Millions of $)	2020
Net sales	$68,800.0
Operating costs except depreciation	$55,274.0
Depreciation	$ 1,029.0
Earnings before interest and taxes (EBIT)	$ 12,497.0
Less interest	1,050.0
Earnings before taxes (EBT)	$ 11,447.0
Taxes	$ 314.0
Net income	$ 11,133.0
Other data:
Shares outstanding (millions)	175.00
Common dividends	$ 509.83
Interest rate on notes payable & Long-Term bonds	6.25%
Income tax rate	21.7%
Year-end stock price	$87.69

Show workings for following sub-sections:

a) What is the firm's current ratio? [Show your workings for full marks]

b) What is the firm's net operating profit after taxes (NOPAT)? [Show your workings for full marks]

c) What is the firm's total assets turnover (ATO)? [Show your workings for full marks]

d) What is the firm's Times Interest Earned (TIE) multiple? [Show your workings for full marks]