Please help me to answer question 5.

The following table includes quarterly working capital levels for your firm for the next year. Use it to answer Problems 3 to 7. Quarter ($000s) 1 2 3 4 Cash 100 100 100 100 Accounts Receivable 200 100 100 600 Inventory 200 500 900 50 Accounts Payable 100 100 100 100 5. If you hold only $100 in cash at any time, what is your maximum short-term borrowing and when? 3. What are the permanent working capital needs of your company? What are the temporary needs? 4. If you choose to use only long-term financing, what total amount of borrowing will you need to have on a permanent basis? Forecast your excess cash levels under this scenario. 5. If you hold only $100 in cash at any time, what is your maximum short-term borrowing and when? Ex] 6. If you choose to enter the year with $400 total in cash, what is your maximum short-term borrowing? & 7. If you want to limit your maximum short-term borrowing to $500, how much excess cash must you carry