Given the following information: cash = $60, accounts payable = $100, notes payable = $60, inventory = $135, long term debt = $385, fixed assets = $600, equity = $250, sales = $800, costs = $600 and tax rate = 31%. The firm retains 40% of earnings. If the firm is producing at only 80% capacity, what is the total external financing needed if sales increase by 35%?

A) -$41

B) -$23.27

C) $6.73

D) $11.72

E) None of the above