Which of the following statement is correct?

		In an economy with two risky assets and a risk-free asset, the portfolio with the lowest variance is the minimum variance portfolio on the mean-variance efficiency frontier
		The Federal Reserve increases interest rates 50 basis points is not a systematic-risk event
		A strike by union workers hurts a Hyundai s quarterly earnings is a systematic-risk event
		Systematic risk is a type of risks exist in a well-diversified portfolio