You own a house worth $400,000 on a river. If the river floods moderately, the house will be completely destroyed. This happens about once every 50 years. If you build a seawall, the river would have to flood heavily to destroy your house, and this only happens about once every 200 years. THIS IS THE PROBABILITY: "...once every 50 years," and "once every 200 years." Please answer the questions. Thank you

What are your expected annual costs to the nearest dollar with a seawall and full insurance? $ What are your expected annual costs to the nearest dollar with a seawall and partial coverage? $

How much would you be willing to pay annually to the nearest dollar for the cost of building and maintaining a seawall with full insurance? $ How much would you be willing to pay annually to the nearest dollar for the cost of building and maintaining a seawall with partial coverage?