Balance Sheet:	3/31/2016	12/31/2015	9/30/2015	6/30/2015
Assets
Current Assets
Cash and cash equivalents	293	300	255	232
Net receivables	401	362	385	460
Inventory	374	342	437	306
Other current assets	60	43	53	45
Total Current Assets	1,128	1,047	1,130	1,043
Long-term investments	128	97	long dash	200
Property, plant, and equipment	979	991	995	1,052
Goodwill	744	748	736	742
Other assets	777	830830	903903	797
Total Assets	3,756	3 comma 7133,713	3 comma 7643,764	3,834
Liabilities
Current Liabilities
Accounts payable	876	1,467	922	980
Short/current long-term debt	410	2	173	288
Other current liabilities	long dash	long dash	long dash	long dash
Total Current Liabilities	1,286	1,469	1,095	1,268
Long-term debt	2,381	2,124	474	475
Other liabilities	435	574	559	551
Total Liabilities	4,102	4,167	2,128	2,294
Total Shareholder's Equity	minus346	negative 454454	1 comma 6361,636	1,540
Total Liabilities and Shareholder's Equity	3,756	3 comma 7133,713	3 comma 7643,764	3,834

(all values in millions of dollars).

a. What change in the book value of the company's equity took place at the end of

20152015?

b. Is the company's market-to-book ratio meaningful? Is its book debt-equity ratio meaningful? Explain.

c. Find the company's other financial statements from that time online. What was the cause of the change to its book value of equity at the end of

20152015?

d. Does the company's book value of equity in

20162016

imply that it is unprofitable? Explain.