Government intervention in a modern economy is useful because a the needs and wants of modern society are always met by the market place b the market place has many incentives to create public work such as parks and library’s c governments are more able to meet some needs and wants of modern society in a way that ensures that all members of society can participate d the market place powers all its own laws

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?