a company is considering upgrading its computer system and h

a company is considering upgrading its computer system and has asked an engineer for the evaluation of the operating system. After an initial evaluation by the engineer, he states the probability of gaining a favorable evaluation is 75%. The company CEO states, their is a 65% probability of upgrading now. If the company gets a new system, there is a 95% probability of getting a favorable evaluation. If the company operates its system now, their is an 85% probability of getting a favorable evaluation. If the company waits a year later without doing anything there is a 55% probability of getting a favorable evaluation next year. What is the probability the company will operate now and receive a favorable evaluation?