If you sell in March a bond future contract for 110 that matures on June 30 of the same year, and at the maturity date the same future sells for 125 , a. You have hedged both against an increase and a decrease in interest rates b. You have a loss of $15 if you do not own the bond c. You have a profit of $15 if you do not own the bond d. Your margin has been increased by $15 e. You have hedged against an increase in interest rates if you do not own the bond