Alexis Media issued five-year $1000 bonds at par one year ago with a 7.6% coupon that pays semiannually (the bonds just paid the second coupon payment). Alexis has revised its advertising revenue forecast, and it is quite bleak compared with the prevailing forecast at the time of the bond issuance. Investors now require a 9.6% return on Alexis bonds. What is the percentage change in price of the bonds associated with the change in business conditions? Select one: a. 7.80% decrease b. 6.97% increase c. 6.52% decrease d. 6.40% decrease