The December 31, Year 4, balance sheet for Gibson Corporation is presented here. These are the only accounts on Gibsons balance sheet. Amounts indicated by question marks (?) can be calculated using the following additional information:

GIBSON CORPORATION Balance Sheet As of December 31, Year 4
Assets
Cash	$	30,000
Accounts receivable (net)		?
Inventory		?
Property, plant, and equipment (net)		320,000
	$	450,000
Liabilities and Stockholders Equity
Accounts payable (trade)	$	?
Income taxes payable (current)		30,000
Long-term debt		?
Common stock		326,000
Retained earnings		?
	$	?

Additional Information
Current ratio (at year end)	1.3 to 1.0
Total liabilities Total stockholders equity		80	%
Gross margin percent		40	%
Inventory turnover (Cost of goods sold Ending inventory)		11.2	times
Gross margin for Year 4	$	350,000

Required a. Compute the balance in trade accounts payable as of December 31, Year 4. b. Compute the balance in retained earnings as of December 31, Year 4. c. Compute the balance in the inventory account as of December 31, Year 4. (Assume that the level of inventory did not change from last year.) (For all requirements, negative amounts should be indicated by a minus sign. Do not round intermediate calculations. Round your answers to the nearest whole dollar amount.)