7. 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

50

Inventory

40

Current liabilities

$ 90

Current assets

$130

Long-term debt

60

Net fixed assets

100

Common equity

30

Retained earnings

50

Total assets

$230

Total liab. & equity

$230