Rao Corporation has the following balance sheet. How much net operating working capital does the firm have?

Cash	$ 10		Accounts payable	$ 20
Short-term investments	30		Accruals	20
Accounts receivable	50		Notes payable	5
Inventory	40		Current liabilities	$ 45
Current assets	$130		Long-term debt	0
Net fixed assets	55		Common equity	30
			Retained earnings	50
Total assets	$ 185		Total liab. & equity	$ 185

Select the correct answer.

a. $60.00

b. $64.00

c. $66.00

d. $62.00

e. $58.00