Categorize the following logical fallacy. We can go to the amusement park or the library. The amusement park is too expensive, so we must go to the library.

Margaret is purchasing a house for $210,000 with a 15 year fixed rate mortgage at 4.75% interest she has made a 5% down payment the house is valued at 205,000 and the local tax rate is 3.5% homeowners insurance 600 per year what are her total monthly payment