The most recent financial statements for Crosby, Inc., follow. Sales for 2018 are projected to grow by 30 percent. Interest expense will remain constant; the tax rate and the dividend payout rate will also remain constant. Costs, other expenses, current assets, fixed assets, and accounts payable increase spontaneously with sales. CROSBY, INC. 2017 Income Statement Sales $755,000Costs 792,960Other expenses 20,060Earnings before interest and taxes $167,740Interest paid 14,740Taxable income $153,000Taxes (21%) 32,130Net income $120,870Dividends $39,250Addition to retained earnings 81,620 CROSBY, INC. Balance Sheet as of December 31, 2017 Assets Liabilities and Owners’ EquityCurrent assets Current liabilitiesCash $27,920 Accounts payable $71,720Accounts receivable 42,630 Notes payable 17,620Inventory 95,910 Total $89,340Total $166,460 Long-term debt $170,000Fixed assets Owners’ equityNet plant and equipment $455,980 Common stock and paid-in surplus $140,000 Retained earnings 223,100 Total $363,100Total assets $622,440 Total liabilities and owners’ equity $622,440Required:What is the EFN if the firm wishes to keep its debt-equity ratio constant?