Using a preadsheet program or a calculator, solve Tracy's problem of how often to go to the ATM when the nominal interst rate on her bank account is 10%, she need $30 each day,it cost her .50 cents each time she use the ATM and she thinks that there is a 15% chance that she will lose her cash or have it solen. under these conditions, how often does Tracy go to the ATM, and how much cash does she take out each time?