Consider a situation in which you do not know the timing or amounts of individual cash flows. However, you do know the discounted and summed values of the revenues, \(\sum R t^{*}(P \mid F, M A R R, t)\), and the discounted and summed values of the expenses, \(\sum C t^{*}(P \mid F, M A R R, t)\). Which of the following measures of worth can you calculate?

i. \(\mathrm{PW}\)

ii. \(B / C\) ratio

a. I only

b. II only

c. Both I and II

d. Neither I nor II