please explain its math problem from economic class. I need help how it got 5259.89

Question 1 0 / 2 pts Assume an individual has income of $100,000 and a 10% chance of incurring a $75,000 accident. The utility function is represented by U = C'i. Assuming it is impossible to purchase insurance, compute expected utility. You Answered 5,061.0719 Correct Answers 5,259.89 (with margin: 0.1)