A bank estimates that their average balance on demand deposit accounts is $3,500, net of float. Each account costs the bank $250 per year in processing costs. The bank collects an average of $10 per month on each account in service charges. Assume reserve requirements are 10%. What is the net cost of an average demand deposit

An insurance company estimates the probability of an earthquake in the next year to be 0.0015. the average damage done to a house by an earthquake it estimates to be $90,000. if the company offers earthquake insurance for $150, what is company`s expected value of the policy? hint: think, is it profitable for the insurance company or not? will they gain (positive expected value) or lose (negative expected value)? if the expected value is negative, remember to show "-" sign. no "+" sign needed for the positive expected value