Critical Reasoning (CR) | Re: Pro-Tect Insurance Company has recently been paying out more

Pro-Tect Insurance Company has recently been paying out more on car-theft claims than it expected. Cars with special antitheft devices or alarm systems are much less likely to be stolen than are other cars. Consequently Pro-Tect, as part of an effort to reduce its annual payouts, will offer a discount to holders of car-theft policies if their cars have anti-theft devices or alarm systems.

Which of the following, if true, provides the strongest indication that the plan is likely to achieve its goal?
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