A bond sold five weeks ago for OMR1,100. The bond is worth OMR1,050 in today's market. Assuming no changes in risk, which of the following is false? Select one: a. The coupon payment of the bond must have increased. b. Interest rates must be higher now than they were five weeks ago. c. The bond has a smaller premium today than it did five weeks ago. d. The bond has less maturity today than it did five weeks ago. e. The bond's current yield has increased from five weeks ago.