Question: System computers make bulk purchases of small computers, stock them in conveniently located warehouses, & ships them into its chain of retail stores. System's balance sheet as of December 31, 2006, is shown here [millions of dollars]:
| Cash | mce_markernbsp; 3.5 | Accounts payable | mce_markernbsp; 9.0 | 
| Receivable |   26.0 | Notes payable |    18.0 | 
| Inventories |   58.0 | Accruals |      8.5 | 
| Total current assets | $87.5 | Total current liabilities | $ 35.5 | 
| Net fixed assets |   35.0 | Mortgage loan |       6.0 | 
|   |   | Common stock |     15.0 | 
|   |   | Retained earnings |     66.0 | 
| Total assets | $122.5 | Total liabilities and equity | $122.5 | 
Sales for 2006 were 3.50 million dollar, while net income for the year was 20.5 million dollar. System pay dividends of $4.2 million to common stockholders. The firm is operating at full capacity. Suppose that all ratios remain constant.
[A] If sales are projected to increase by 70 million dollar, or 20%, during 2007.
[B] Estimate System's projected external capital requirement if the increase in sales is expected to be carried out without any expansion of fixed assets.
[C] How much can sales grow above 2006 of $350 million without requiring any additional funds?