You invest $10,000 in a complete portfolio. The complete portfolio is composed of a risky asset with an expected rate of return of 15% and a standard deviation of 16% and a Treasury bill (the risk-free asset) with a rate of return of 5%. How much money should be invested in the Treasury bill to form a complete portfolio with a return standard deviation of 10%?

		$12,500
		$900
		$3750
		$10000