Given the following information: cash = $75, accounts payable = $100, notes payable = $130, inventory = $175, long term debt = $370, fixed assets = $600, equity = $250, sales = $800, costs = $600 and tax rate = 34%. The firm retains 40% of earnings. If the firm is producing at only 90% capacity, what is the total external financing needed if sales increase by 25%?

A) $34.0

B) $46.5

C) $62.8

D) $96.5

E) None of the above