The following table includes quarterly working capital levels for your firm for the next year.

(Click on the following icon

in order to copy the contents into a spreadsheet.)

	Quarters
($000)	1	2	3	4
Cash	96	96	96	96
Accounts Receivable	201	100	108	597
Inventory	197	492	894	45
Accounts Payable	101	110	102	110

If you want to limit your maximum short-term borrowing to

$494,000

and maintain a minimum cash balance of

$96,000,

how much excess cash must you carry?