Table 28-2 labor data for aridia year 2010 2011 2012 adult population 2,000 3,000 3,200 number of employed 1,400 1,300 1,600 number of unemployed 200 600 200 refer to table 28-2. the number of adults not in the labor force of aridia in 2012 was

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?