Several factors affect a firm's need for external funds. evaluate the effect of each following factor and place a check next to each factor that is likely to increase a firm's need for external capital-that is, its afn (additional funds needed). check all that apply. a. the firm improves its production system and increases its profit margin. b. the firm increases its dividend payout ratio. the firm switches its supplier for the majority of its raw materials. c. the new supplier offers less favorable credit terms and thus reduces the trade credit available to the firm, resulting in a reduction in accounts payable. accounts payable and accrued liabilities represent obligations that the firm must pay off. assuming everything else holds constant, if they increase, the firm's afn will