Consicet two local barks. Bank A has 87 loant outstanding. each for 51.0 millon. that it oxpects will be tepaid today Each loan nas a 5% bank is not repaid anything. The chance of detaut is independent across af the loans Bank 8 has cnly one loan of $87 malion outstanding. Which a also expecte wit be repaid today it aleo has a 6% probabiety of not being repaid calculate the following a. The expected overal payof of each bank. b. The standard deviation of the overaz payoft of each bank