If the economy booms, RTF, Inc. stock is expected to return 10 percent. If the economy goes into a recessionary period, then RTF is expected to only return 4 percent. The probability of a boom is 62 percent while the probability of a recession is 38 percent. What is the variance of the returns on RTF, Inc. stock? 0.028542 0.001505 0.000772 0.000228 0.000848