Calculate the Barnes & Nobles's cost of Capital (WACC) using the following data

Date	Returns Barnes & Noble	Return on the S&P 500 Index
20040130	3.21%	1.73%
20040227	-4.98%	1.22%
20040331	0.39%	-1.64%
20040430	5.04%	-1.68%
20040528	-15.05%	1.21%
20040630	3.34%	1.80%
20040730	2.81%	-3.43%
20040831	-5.72%	0.23%
20040930	7.94%	0.94%
20041029	-6.95%	1.40%
20041130	14.34%	3.86%
20041231	0.95%	3.25%
20050131	26.49%	-2.53%
20050228	4.82%	1.89%
20050331	5.74%	-1.91%
20050429	-11.52%	-2.01%
20050531	26.35%	3.00%
20050630	-1.76%	-0.01%
20050729	-6.18%	3.60%
20050831	-4.31%	-1.12%
20050930	-8.18%	0.69%
20051031	15.65%	-1.77%
20051130	14.94%	3.52%
20051230	-3.45%	-0.10%
20060131	3.68%	2.55%
20060228	4.05%	0.05%
20060331	6.10%	1.11%
20060428	-1.33%	1.22%
20060531	-12.70%	-3.09%
20060630	3.83%	0.01%
20060731	-22.20%	0.51%
20060831	-0.78%	2.13%
20060929	12.24%	2.46%
20061031	6.09%	3.15%
20061130	-7.04%	1.65%
20061229	-2.68%	1.26%
20070131	5.46%	1.41%
20070228	3.85%	-2.18%
20070330	-3.54%	1.00%
20070430	-5.71%	4.33%
20070531	1.22%	3.25%
20070629	-18.29%	-1.78%
20070731	-11.77%	-3.20%
20070831	7.63%	1.29%
20070928	-6.72%	3.58%
20071031	0.47%	1.48%
20071130	-2.24%	-4.40%
20071231	-10.61%	-0.86%
20080131	5.47%	-6.12%
20080229	-1.09%	-3.48%
20080331	12.10%	-0.60%
20080430	24.76%	4.75%
20080530	-0.61%	1.07%
20080630	-10.94%	-8.60%
20080731	8.30%	-0.99%
20080829	7.27%	1.22%
20080930	-5.28%	-9.08%
20081031	-11.36%	-16.94%
20081128	-1.51%	-7.48%
20081231	17.55%	0.78%
20090130	-10.07%	-8.57%
20090227	-6.26%	-10.99%
20090331	26.93%	8.54%
20090430	0.20%	9.39%
20090529	-4.95%	5.31%
20090630	-6.35%	0.02%
20090731	10.15%	7.41%
20090831	-4.93%	3.36%
20090930	5.34%	3.57%
20091030	9.05%	-1.98%
20091130	4.97%	5.74%
20091231	6.32%	1.78%
20100129	6.69%	-3.70%
20100226	1.92%	2.85%
20100331	5.08%	5.88%
20100430	1.99%	1.48%
20100528	3.61%	-8.20%
20100630	-6.85%	-5.39%
20100730	3.88%	6.88%
20100831	2.21%	-4.74%
20100930	10.85%	8.76%
20101029	1.02%	3.69%
20101130	11.99%	-0.23%
20101231	0.97%	6.53%
20110131	-5.58%	2.26%
20110228	22.17%	3.20%
20110331	8.78%	-0.10%
20110429	-4.64%	2.85%
20110531	3.24%	-1.35%
20110630	0.50%	-1.83%
20110729	-8.20%	-2.15%
20110831	-0.17%	-5.68%
20110930	-9.74%	-7.18%
20111031	28.62%	10.77%
20111130	7.25%	-0.51%
20111230	-1.35%	0.85%
20120131	4.81%	4.36%
20120229	4.27%	4.06%
20120330	4.10%	3.13%
20120430	-1.86%	-0.75%
20120531	-6.95%	-6.27%
20120629	-5.11%	3.96%
20120731	12.94%	1.26%
20120831	-1.64%	1.98%
20120928	10.32%	2.42%
20121031	-1.32%	-1.98%
20121130	-4.83%	0.28%
20121231	-1.04%	0.71%
20130131	0.62%	5.04%
20130228	0.71%	1.11%
20130328	2.67%	3.60%
20130430	7.26%	1.81%
20130531	8.24%	2.08%
20130628	-3.07%	-1.50%
20130731	-10.08%	4.95%
20130830	-1.90%	-3.13%
20130930	-3.35%	2.97%
20131031	-0.38%	4.46%
20131129	12.01%	2.80%
20131231	-0.11%	2.36%

B&N, Net Income 2013
($ million)
Sales	288
-CoGS	173
-SG&A	51
-Depreciation	21
EBIT	43
Interest	5
-Tax	12
Net Income	26

B&N Balance Sheet, December 2013
($ million)
Cash and equivalents		10.5		Accounts payable		32.6
Accounts receivable		42.7		Accrued Taxes		8.9
Inventory		46.3		Wages payable		4.7
Gross PPE		200.7		Pension Obligation		13.6
Accumulated depreciation		35.7
Net PPE		165		Short-term Debt		2
				Long-term debt		98
				Common Stock (at par)		12
				Paid-in-surplus		13.7
				Retained Earnings		79
				Total Shareholder equity		104.7
Total Assets		264.5		Total Liabilities and owners equity		264.5

Interest Rates Data, December 2013
(percent)
Maturity	Yield
US Treasury Bonds
6 Month	0.08%
5 Year	1.44%
10 Year	2.83%
30 Year	3.90%
Corporate Bonds (Long maturity)
AAA	4.63
AA	4.88
A	5.12
BBB	5.56

Company Market Data, December 2013
	B&N
Number of Shares (million)	10.5
Price per Share	64
Estimated Market Value of Debt	99
($ million)
Bond Rating	AA
Beta (Yahoo Finance)	0.93