The three economic criteria for choosing the best alternative are minimize input, maximize output, and maximize the difference between output and input.

The engineering school held a raffle of an automobile with tickets selling for $50C$ each or three for $$1.$ When the students were selling tickets, they noted that many people had trouble deciding whether to buy one or three tickets. This indicates the buyers' criterion was

Select one:

a$.$ maximize output

b$.$ maximize profit $($output $-$ input$)$

c$.$ minimize input