Depending on the analysis, if Wells Fargo CEO John Stumpf retires, he could walk away with $123.6 million or even as much as $200 million. USA Today puts the package at the lesser figure, and CNNMoney estimates have Stumpf receiving the larger figure. Stumpf already is the highest-paid bank CEO, bringing in $19.3 million last year, USA Today reports. Stumpf is under fire — including hearing U.S. Sen. Elizabeth Warren call for a criminal investigation — for the bank’s fake accounts practice,…