could you please help me to solve this question ?

An investor has $5000 cash. When this investor invests his/her money in the stock, he/she can earn or lose $100. The probability of the stock gaining value is 65%. The investor can obtain information from a financial advisor firm for a certain x fee. The probability that the financial adviser will successfully give information about the increase or decrease of the stock value is estimated as 75%. Model and solve the decision problem with a decision tree. Determine which option should be chosen according to the status of the fee to be paid to the financial advisor