Balance Sheet	31-Mar-2022	31-Dec-2021	30-Sep-2021	30-Jun-2021
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	1128	1047	1130	1043
Long-term investments	128	97	-	200
Property, plant, and equipment	979	991	995	1052
Goodwill	744	748	736	742
Other assets	777	825	910	797
Total Assets	3756	3708	3771	3834
Liabilities
Current Liabilities
Accounts payable	876	1467	922	980
Short/current long-term debt	410	2	173	288
Other current liabilities	-	-	-	-
Total Current Liabilities	1286	1469	1095	1268
Long-term debt	2381	2124	474	475
Other liabilities	435	574	559	551
Total Liabilities	4102	4167	2128	2294
Total Shareholder's Equity	-346	-459	1643	1540
Total Liabilities and Shareholder's Equity	3756	3708	3771	3834

Some balance sheet information is shown here: (all values in millions of dollars). a. What change in the book value of the company's equity took place at the end of 2021? b. Is the company's market-to-book ratio meaningful? Is its book debt-equity ratio meaningful? Explain. a. What change in the book value of the company's equity took place at the end of 2021 ? The book value of equity by $ billion from the end of the previous quarter, and was (Select from the drop-down menus and round to three decimal places.)