current assets in calculating working capital?

so, i know that

Working capital = Current Assets - Current Liabilities excluding deferred tax assets/liabilities, excess cash, surplus assets and/or deposit balances.

and i have:

Current Assets:

Cash 1

Marketable securities 2

Accounts receivable 3

Inventories 4

Prepaid expenses 5

Deferred income tax 6

Total current assets 7

Property and equipment, net 8

Goodwill 9

Intangible assets, net 10

Deposits and other assets 11

Deferred income tax 12

13

What number should i use for calculations???

(7, or 7-6, or 13 - 12 - 6, or ...)