In response to rising inflation, the federal reserve may sell government securities in open market operations in order to:
a) increase the money supply and encourage economic growth.
b) decrease the money supply and encourage people to save in difficult times.
c) give consumers more money to open their own businesses.
d) force the banks to stop giving out loans in an uncertain economy.

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?