Firms experience economies of scale LOADING... for several reasons. What is one such​ reason? A firm might experience economies of scale because A. as a firm expands comma it may have to borrow money at a higher interest rate . B. managers begin to have difficulty coordinating the operation of the firm. C. managers become more specialized comma enabling them to become more productive comma as output expands . D. a​ firm's technology may make it impossible to increase production without a larger proportional increase input usage. E. large firms may be required to purchase inputs at higher costs than smaller competitors