Mike wants to study why men choose to go into nursing careers. He theorizes that these men have decided that the benefits of nursing (good pay and numerous career options) outweigh the costs (working long hours and dealing with bodily fluids). Which theoretical perspective is Mike using?

Aproperty title search firm is contemplating using online software to increase its search productivity. currently an average of 40 minutes is needed to do a title search. the researcher cost is $2 per minute. clients are charged a fee of $400. company a's software would reduce the average search time by 10 minutes, at a cost of $3.50 per search. company b's software would reduce the average search time by 12 minutes at a cost of $3.60 per search. which option would have the higher productivity in terms of revenue per dollar of input?