Mortgage-backed securities (MBS) produced by New Century and other major subprime lenders were a focal point of attention during the recent financial crisis. Many parties maintain that the mark-to-market rule for investments in securities such as MBS contributed significantly to that crisis and that the rule should be modified, suspended, or even eliminated. Briefly summarize the principal arguments of those parties opposed to the mark-to-market rule. Do you believe that those arguments are legitimate? Why or why not?