Find the inection point[s], if any, of the function. [If an answer does not exist, enter DNE.) Xi= 3/} (m) =[ due ) Viemng Saved Work Raver! to Last Response The percentage of men 65 years and older in the workforce from 1970 through 2000 is approximated by the function Pm : o.ooosat3 cozy:2 ossr + 25 (o s t s so) where tis measured in years, with f = 0 corresponding to the beginning of 1970. (a) Find the interval where P is decreasing and the interval where P is increasing. [Round your answers to two decimal places. Enter your answer using interval notation. If an answer does not exist, enter DNE.) Decreasing: Increasing: (b) Interpret the results of part (a). O The percentage of men 65 and older in the workforce decreased from 1970 early in 1995, and then increased through the year 2000. O The percentage of men 65 and older in the workforce decreased from 1970 towards the end of 1977, and then increased through the year 2000. O The percentage of men 55 and older in the workforce increased from 1970 towards the end of 1977, and then decreased through the year 2000. O The percentage of men 65 and older in the workforce increased from 1970 early in 1995, and then decreased through the year 2000