estimated to be $160,000. Variabie processing costs are estimated to be $5 per book. The publisher plans to sell single-user access to the book for $45. (a) Choose the correct infuence diagram that illustrates how to calculate profi. (i) (ii) Where tetal revenue = total cost yelding a proft of zero. In which intervad ef demand dees breakeven ocour? (i) Breakeven appears in the interval of 3,600 te 3,800 copies (ii) Breakeven appears in the interval of 4,000 to 4,200 cepies. (iii) Ececteven appears in the interval of 4,200 to 4,400 coples. (iv) Breakeven appears in the intervat of 4,400 to 4,600 copies