Last year, an investor acquired $380,000 worth of arcandor stock, purchased $110,000 of long-term government bonds, and invested $80,000 in U. S. treasury bills, considered the risk-free asset. Over the course of the year, he earned a return of nine percent from arcandor stock, five percent from his long-term government bonds, and the risk free rate of three percent from his investment on U. S. Treasury bills. What was the risk premium on Arcandor's stock for the year? a. 8.2 percent. b. 12 percent c. 6 percent. d. 4.7 percent. e. 2 percent.