I am buying a fimm with an e pected perpetual cash flow of $1,250 but an unsure of its risk r i think market is 20%. (Input the amount as a positive value.) irm than t is truly worth? Assume the risk-tree rat he beta of the firm is zero, when the beta is ea y 1 how much more wil l oner or the rm than t s ru ort ? Ass me he risk-free rate is 5% and the expected rate or return on the Present value difference