Plz anyone can help just pick one for each :( its simple

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?

The undress company produces a dress that women use to quickly and easily change in public. the company is just over a year old and has been successful through a kickstarter campaign. the undress company has identified a customer segment, but if it wants to reach a larger customer segment market outside of the kickstarter family, what question must it answer?

How much more output does the $18 trillion u.s. economy produce when gdp increases by 3.0 percen?