Which of the following cost-saving actions can potentially result in a company gaining a sustainable cost advantage over rivals because the company's actions to cut costs cannot be detected by rivals from the information in either the FIR or the Comparative Competitive Efforts section of the CIR? Copyright by Glo-ten Software, inc. Copying, distributing or 3rd party website posting luxpressly prohitited and conuthutes copyright violation Making it a company policy never to produce branded footwear with higher than a 3.0-star S/Q rating o Actions to escape paying any import tariffs Always delivering orders to retailers at the lowest possible cost Never offering a mail-in rebate Investing in production improvement option A to reduce reject rates by 50%, big reductions in the incentive bonus paid to production workers per non-defective pair produced, and never spending any money on corporate social responsibility and citizenship