Codys Car Wash offers a basic car wash package that includes: washing, window cleaning, and tire dressing. There are three workers who wash cars, two workers who clean windows, and one worker who does tire dressing. Typically, washing takes 14 minutes per car, window cleaning takes 7 minutes per car, and tire dressing takes 3 minutes per car. Codys Car Wash is open every day from 8 am to 8 pm. On average, the demand is 180 cars per day.

1. Based on Text 1, what is the implied utility for Washing Step?
2. Based on Text 1, what is the implied utility for Windows Step?
3. Based on Text 1, which step is the bottleneck?
4. Based on Text 1, if washing could be reduced by 4 minutes (now takes 10 minutes per car), how many cars can Codys Car Wash accommodate per day?

\\begin{tabular}{|c|c|c|c|} \\hline & Capacity & Workload & Implied Utility \\\\ \\hline Wash & \\( 180 \\mathrm{~min} / \\mathrm{hr} \\) & \\( 210 \\mathrm{~min} \\) & 1.167 \\\\ \\hline Windows & \\( 120 \\mathrm{~min} / \\mathrm{hr} \\) & \\( 105 \\mathrm{~min} \\) & 0.875 \\\\ \\hline Tires & \\( 60 \\mathrm{~min} / \\mathrm{hr} \\) & \\( 45 \\mathrm{~min} \\) & 0.75 \\\\ \\hline \\end{tabular}