contracts

Mrs. Fowler, a widow of 81 years, regarded her neighbor, Thurston, as the last word in business sagacity. Having funds to invest, and being uninformed on investments, she consulted Thurston. He told her that a first mortgage was the safest form of investment and offered her a first mortgage on a business property owned by him. The mortgage was executed by him to her for $8,500 (the price he had just paid for the property) at 5 percent interest. The prevailing rate on first mortgage loans was 5 percent. Later she sought to have the transaction set aside. What decision? Explain