Kali's Ski Resort, Inc. stock is quite cyclical. In a boom economy, the stock is expected to return 30% in comparison to 12% in a normal economy and a negative 20% in a recessionary period. The probability of a recession is 15%. There is a 30% chance of a boom economy. The remainder of the time, the economy will be at normal levels. What is the standard deviation of the returns on Kali's Ski Resort, Inc. stock?

		10.05%
		12.60%
		15.83%
		17.46%
		25.04%