4. Consider the case of Aggie Theme Park above. In addition to choosing whether to inspect, another option is available. One golf bag can be taken from the lot and sent to a laboratory for inspection, and its quality (defective or non-defective) can be reported before the inspection decision must be made. The cost of this initial inspection is $75. a. Define the states and decision alternatives b. Construct the decision tree for this problem and analyze the decision tree to identify the optimal policy. c. Calculate EVSI and indicate the most that the company should pay for laboratory inspection in order for it to be worthwhile to pursue.