A system of mining requires 3 operators at any one time. The mine operates on a three-shift basis per day, 6 days per week. Allowing for availability the mining system operates 5,000 hours per year. Each worker costs $105,000 per year.

Assuming all personnel is required on service shifts, an absenteeism rate of 5%, determines the hourly cost of labor.

Answer rating: 100% (QA)

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