5. Why do companies practice price discrimination? A- Price discrimination recognizes that groups of consumers are willing and able to pay different amounts for a good. B- Price discrimination enables companies to charge all consumers the same price for a good or service. C- Price discrimination provides individual producers with an advantage in perfectly competitive markets. D- Price discrimination allows companies to defend an illegal monopoly against free market competition.

Use a physical stopwatch to record the length of time it takes to run the program. calculate the difference obtained by calls to the method system.currenttimemillis() just before the start of the algorithm and just after the end of the algorithm. calculate the difference obtained by calls to the method system.currenttimemillis() at the start of the program and at the end of the program so that the elapsed time includes the display of the result. use the value returned by the method system.currenttimemillis() just after the end of the algorithm as the elapsed time.