The following summarized data (amounts in millions) are taken from the September 27, 2014, and September 28, 2013, comparative financial statements of Apple Inc., a manufacturer of mobile communication and media devices, personal computers, portable digital music players, and seller of a variety of related software, services, accessories, networking solutions, and third-party digital content and applications:

(Amounts Expressed in Millions)
For the Fiscal Years Ended September 27 and September 28, respectively:	2014		2013
Net sales	$	108,300	$	65,270
Costs of sales		64,480		39,590
Operating income		33,850		18,430
Net income	$	25,950	$	14,060
At Year End: Assets
Current assets:
Cash and cash equivalents	$	10,230	$	11,070
Short-term marketable securities		16,180		14,410
Accounts receivable, less allowances of $84 and $99, respectively		5,420		5,570
Inventories		830		1,100
Deferred tax assets		2,070		1,680
Vendor nontrade receivables		6,400		4,460
Other current assets		4,580		3,490
Total current assets		45,710		41,780
Long-term marketable securities		85,670		25,440
Property, plant, and equipment, net		7,830		22,070
Goodwill		960		790
Acquired intangible assets, net		3,590		390
Other assets		3,610		2,310
Total assets	$	147,370	$	92,780
Liabilities and Shareholders Equity
Current liabilities:
Accounts payable	$	14,680	$	12,060
Accrued expenses		9,300		5,770
Deferred revenue		4,150		3,030
Commercial paper		6,398		0
Total current liabilities		34,528		20,860
Deferred revenuenoncurrent		1,740		1,190
Long-term debt		23,602		17,260
Other noncurrent liabilities		10,160		5,580
Total liabilities		70,030		44,890
Shareholders Equity:
Common stock and additional paid-in capital, $0.00001 par value, 1,900,000 shares authorized; 929,330 and 916,030 shares issued and outstanding, respectively		13,390		10,710
Retained earnings		63,450		37,220
Accumulated other comprehensive income (loss)		500		(-40	)
Total shareholders equity		77,340		47,890
Total liabilities and shareholders equity	$	147,370	$	92,780

At September 29, 2012, total assets were $47,620 and total shareholders equity was $31,700.

Required:

a. Calculate Apple Inc.s working capital, current ratio, and acid-test ratio at September 27, 2014, and September 28, 2013. (Round your ratio answers to 1 decimal place. Enter "Working capital" in million of dollars.)

b. Calculate Apples ROE for the years ended September 27, 2014, and September 28, 2013. (Round your answers to 1 decimal place.)

c. Calculate Apples ROI, showing margin and turnover, for the years ended September 27, 2014, and September 28, 2013. (Round "Turnover" answers to 2 decimal places. Round your percentage answers to 1 decimal place.)

The following summarized data (amounts in millions) are taken from the September 27, 2014, and September 28, 2013, comparative financial statements of Apple Inc., a manufacturer of mobile communication and media devices, personal computers, portable digital music players, and seller of a variety of related software, services, accessories, networking solutions, and third-party digital content and applications: (Amounts Expressed in Millions) For the Fiscal Years Ended September 27 and September 28, respectively: 2014 2013 Net sales $ 108,300 $ 65 270 Costs of sales 64,480 39,590 Operating income 33,850 18 430 Net income $ 25,950 $ 14,060 At Year End: Assets Current assets Cash and cash equivalents $ 10,230 $ 11,070 Short-term marketable securities 16,180 14,410 Accounts receivable, less allowances of $84 and $99, respectively 5,420 5,570 Inventories 830 1,100 Deferred tax assets 2,070 1.680 Vendor nontrade receivables 6,400 4,460 Other current assets 4,580 3,490 Total current assets 45,710 41,780 Long-term marketable securities 85,670 25,440 Property, plant, and equipment, net 7,830 22,070 Goodwill 960 790 Acquired intangible assets, net 3,590 Other assets 3,610 2,310 Total assets $ 147,370 $ 92,780 Liabilities and Shareholders' Equity Current liabilities: Accounts payable $ 14,680 $ 12,060 Accrued expenses 9,300 5,770 Deferred revenue 4,150 3,030 Commercial paper 6,398 0 Total current liabilities 34,528 20,860 Deferred revenuenoncurrent 1,740 1,190 Long-term debt 23,602 17,260 Other noncurrent liabilities 10.160 5 580 Total liabilities 70,030 44.890 Shareholders' Equity Common stock and additional paid-in capital, $0.00001 par value, 1,900,000 shares authorized 929,330 and 916,030 shares issued and outstanding, respectively 13,390 10.710 Retained earnings 63,450 37,220 Accumulated other comprehensive income (loss) 500 (40) Total shareholders' equity 77 340 47 890 Total liabilities and shareholders' equity $ 147,370 $ 92,780 390 Accumulated one comprenensive income (OSS) Total shareholders' equity Total liabilities and shareholders' equity 300 77,340 147,370 (-40) 47.890 $ 92,780 At September 29, 2012, total assets were $47,620 and total shareholders' equity was $31,700. Required: a. Calculate Apple Inc.'s working capital, current ratio, and acid-test ratio at September 27, 2014, and September 28, 2013. (Rounc your ratio answers to 1 decimal place. Enter "Working capital in million of dollars.) 2014 2013 $ $ Working capital Current ratio Acid-test ratio 11,182 1.3 0.8 20,920 2.0 0.4 b. Calculate Apple's ROE for the years ended September 27, 2014, and September 28, 2013. (Round your answers to 1 decimal place.) 2014 67.1 % 2013 58.7 % ROE C. Calculate Apple's ROI, showing margin and turnover, for the years ended September 27, 2014, and September 28, 2013. (Round "Turnover" answers to 2 decimal places. Round your percentage answers to 1 decimal place.) ROI Margin Turnover 2014 21.6 % 24.01% 0.90 2013 20.5 % 22.3% 0.92