Firms experience economies of for several reasons. what is one such reason? a firm might experience economies of scale because a. managers experience diminishing returns comma decreasing their marginal productivity as output expandsmanagers experience diminishing returns, decreasing their marginal productivity as output expands. b. as a firm expands comma it may have to borrow money at a higher interest rateas a firm expands, it may have to borrow money at a higher interest rate. c. managers begin to have difficulty coordinating the operation of the firm. d. a firm's technology may make it impossible to increase production without a larger proportional increase input usage. e. large firms may be able to purchase inputs at lower costs than smaller competitorslarge firms may be able to purchase inputs at lower costs than smaller competitors.