$43$

$1\mathrm{.}5$ points

Your expertise as a valued team member is crucial in this matter. In your manufacturing company, a product failure results in damages totalling $$36$ million, and this unfortunate event happens once in every $4$ years. The product failure deduction is through multiple inspections and audits. Calculate the RPN number based on this information.

$54$

$90$

$144$

$108$

$126$