Which version of this answer is strongest?

Which version of this answer is strongest? The story: Candidate made a budget trade-off that maximized impact. Option 1: "I noticed our team was spending too much on external consultants. I escalated this to management. They approved reducing consultant hours, which saved $15K monthly. The team adjusted accordingly." Option 2: "We realized our consultant costs were high and decided to cut hours. We informed management and saved $15K monthly. The team adapted well." Option 3: "During budget review, I identified excessive consultant use outside my team. I proposed a reduction plan, coordinated with finance, and implemented changes. Consultant costs dropped by $15K monthly." Option 4: "I saw that consultant expenses were high and worked with my manager to reduce hours. We saved $15K monthly and improved budget efficiency. The team was supportive."