A property title search firm is contemplating using online software to increase the productivity of the researcher performing the search. Currently, an average of 57 minutes is needed to do a title search. The researcher cost is $1.50 per minute. Clients are charged a fee of $400. Company As software would reduce the average search time by 4 minutes, at a cost of $7.50 per search. Company Bs software would reduce the average search time by 5 minutes at a cost of $9.50 per search. a. Calculate the productivity in terms of revenue per dollar of input. (Round your intermediate calculations and final answers to 2 decimal places.)