Given the following information compute is the expected

Question

Problem:

Given the following information, Compute is the expected return on General Motors.

Probability    Expected    Amount 
                   Return    Invested
      0.2        -15        $5,000
      0.3          20          8,000
      0.4          25        10,000
      0.1          40        15,000

Summary of problem:

This question basically belongs to Finance as well as it explains about calculating the expected return with given data.