Employing the AFN model, how much external funding will a firm require if it plans to increase sales from $2 million to $3.2 million, has total assets of $400,000, accounts payable of $60,000, net income of $150000, and a dividend payout of 40 percent? Select one:

a. $279,000

b. $60,000

c. $242,500

d. none; it will have a surplus of $202,500

e. none; it will have a surplus of $41,500