If a Salesman knocked on your door and offered the following; which would you be more tempered to buy. All products tested over 5 years

Product A: System with 12 rules; 60 Bets; Return of $80

Product B: System with 8 rules; 300 Bets; Return of $320

Product C: System with 4 rules; 2400 Bets; Return of $2420

Assume the rules have some logic.