I need help with this math problem in economics class. please show steps how it got 7500 thank you

Question 2 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 = Ci. 4 If this person could purchase actuarially fair and full insurance, what premium would be charged for such insurance? You Answered 90,000 Correct Answers 7,500 (with margin: 0)