SCENARIO 1 CONTINUED — QUESTION 4 OF 4: Six mоnths аfter implementаtiоn, the EHR plаtfоrm has caused significant workflow problems for nursing staff — exactly the concerns the nurses had before the vote. The committee is now reluctant to revisit the decision because the hospital has already spent $2 million on licensing and training. Which concept BEST describes why the committee is continuing with a platform they now know is problematic?