Suppose that a new employee starts working at $7.52 per hour, and receives a 4% raise each year. After time t, in years, his hourly wage is given by the functionP(t) = $7.52(1.04)ta) Find the amount of time after which he will be earning $10.00 per hour.b) Find the doubling time.After what amount of time will the employee be earning $10.00 per hour?(Round to the nearest tenth of a year.)