You are given the following payoff table: 
Assume the following probability information is given: 
a.Find the values of P(I1) and P(I2).
b.Determine the values of P(S1 | I1), P(S2 | I1), P(S1 | I2), and P(S2 | I2).
c.Use the decision tree approach and determine the optimal strategy. What is the expected value of your solution?
Definitions:
Online Discount Broker
A platform that allows investors to buy and sell securities at lower commission rates than traditional brokers.
Share
A unit of ownership in a company or financial asset, granting the holder a portion of the corporation's assets and earnings.
Original Price
The initial cost of a good or service before any discounts, rebates, or price adjustments are applied.
Selling Price
The amount for which a product or service is sold to a customer.
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