The problem with average-cost pricing regulation is that once it is in place, there is a tendency for the: a. ATC curve to shift upward.
b. MR curve to shift leftward.
c. D curve to shift leftward.
d. ATC curve to shift downward.
e. D curve to shift rightward.

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?