The average arithmetic return of the US stock market has been 10%. The average annual corporate bond return in the US has been 5%. The average 30-yr US Treasury bond return in the US has been 5%. Finally, the average annual US 1-month Treasury bill return in the US has been 3.5%. From this information, please calculate the equity risk premium within the US.

		5%
		10%
		1.5%
		6.5%