Use the Following Information for Questions
Lonely Guy Repair

question 121

Multiple Choice

Use the following information for questions
Lonely Guy Repair Service recently performed repair services for a customer that totaled $400. Somehow the bill was lost and the company accountant was trying to recreate the bill from memory. This is what was remembered: $$\begin{array} { l l } \text { Total bill } & \$ 600 \\\text { Labor profit margin } & \$ 10 \\\text { Materials profit margin } & 20 \% \\\text { Total labor charges } & \$ 390 \\\text { Cost of materials used } & \$ 120 \\\text { Total hourly cost } & \$ 22.50\end{array}$$
-How many hours were billed on the job?

• A) 19.5
• B) 18.5
• C) 17.3
• D) 12.0

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