A price-linked investment pays $300 if the oil price over the next year increases by more than 5%, an event that can happen with a 55% probability.Otherwise,it pays $60.If the expected on the security is 12%,how much does the security cost?show your calculations.

(demo for your refernce purpose):

probability			discount factor@15%
60%	300	180	1.15
40%	50	20	1.15
		173.913