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11. The creation and proliferation of Collateralized Mortgage Obligations ("CMOS") a. provided a home in the mortgage market for entirely new groups and classes of investors. b. resulted huge pools of money for the housing market. c. resulted in an increase in housing prices. d. contributed mightily to the 2008-'09 financial crisis. e. all of the above. 12.__ A bond trader who wanted to bet on rising interest rates could a. buy an interest only ("10") CMO. b. short treasury bonds. c. buy junk bonds. d. all of the above. e. more than one, but not all, of the above. 13. Bonds rated BB+/Ba1 and below are called. a. junk bonds. b. non-investment grade bonds. c. high yield bonds. d. opportunity securities e. all of the above