Sales and costs in 2016 are projected to be 30% higher than in 2015. Both current assets and accounts payable are projected to rise in proportion to sales. The fixed assets of Growth industries are operating at only 75% of capacity. Interest expense in 2016 will equal 10% of long term debt standing at the start of the year. The firm will maintain a dividend payout ratio of 60. What is the required external financing over the next year