just need the answer. thank you

The owner of a small business is considering three options: buying a computer, leasing a computer, or getting along without a computer. Based on the information obtained from the firm's accountant, the following payoff table (in terms of net profit) was developed: State of Nature State # 1 State # 2 State # 3 Alternative (S1) (52) Based on the probability for each state of nature in the previous question (the probability for $1 to happen equals the probability of $2; the probability for $2 to happen is three times of 53). What is the EREV? O 5.29 0 5 Can't be computed with the given information O 3.86