Two NFL Franchises Achieved Their Primary Goal of Reaching the Super

Two NFL franchises achieved their primary goal of reaching the Super Bowl in a given year. It cost Team A $40 million and Team B $20 million. Which of these two teams would be considered more effective?

A) Team A
B) Team B
C) Neither team A nor B was effective
D) Both team A and B were equally effective
E) Both team A and B were equally ineffective