Upton Computers makes bulk purchases of small computers, stocks them in conveniently located warehouses, ships them to its chain of retail stores, and has a staff to advise customers and help them set up their new computers. Upton's balance sheet as of December 31, 2018, is shown here (millions of dollars): Cash Receivables Inventories Total current assets Net fixed assets $ 3.5 Accounts payable 26.0 Notes payable 58.0 Line of credit $ 9.0 18.0 $87.5 Accruals 8.5 35.5 6.0 15.0 66.0 $122.5 35.0 Total current liabilities Mortgage loan Common stock Retained earnings Total liabilities and equity Total assets Sales for 2018 were $300 million and net income for the year was $9 million, so the firm's profit margin was 3.0%. Upton paid dividends of $3.6 million to common stockholders, so its payout ratio was 40%. Its tax rate was 40%, and it operated at full capacity. Assume that all assets/sales ratios, (spontaneous liabilities)/sales ratios, the profit margin, and the payout ratio remain constant in 2019. Do not round intermediate calculations. a. If sales are projected to increase by $40 million, or 13.333333%, during 2019, use the AFN equation to determine Upton's projected external capital requirements. Enter $122.5 your answers in millions. For example, an answer of $10,550,000 should be entered as 10.55. Round your answer to two decimal places. million b. Using the AFN equation, determine Upton's self-supporting growth rate. That is, what is the maximum growth rate the firm can achieve without having to employ nonspontaneous external funds? Round your answer to two decimal places