4. Krysta is an expected utility maximizer with a utility function Mat) 2 . Her initial wealth is $40,000 but there is a 30% chance Texas freezes again this winter and she suffers a loss of $30,000. (a) Calculate the expected value of Krysta's wealth, as well as her expected utility and utility from her expected value of wealth (b) If insurance is actuarially fair, how much insurance will Krysta purchase? (0) What is the actuarially fair price of this insurance policy