Most mortgage banking firms both bank and nonbanks alike have been posting record profits over the past year, creating the pleasant problem of what to do with all that cash. According to interviews conducted by Inside Mortgage Finance over the past few weeks, certain nonbank owners have been taking cash out of their companies, using the money to pay hefty tax bills. Others have been leaving money in the company and searching for ways to shelter income. One way to do that, according to some tax experts, is to retain originated servicing rights. This is...