Three motors are being evaluated for use in a factory. The information is summarized in...
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Three motors are being evaluated for use in a factory. The information is summarized in the table below. The accompyning chart shows the Equivalent Uniform Annual Costs (EUAC) of the motors as a function of the number of operating hours per year. EUAC $3.500 EUAC vs Operating hrs/yr Initial price Efficiency Annual cost Life (yrs) COLT $2,000 89% $145 4 RAM $1,000 74% $200 4 JET $300 60% $300 4 $3,000 $1,500 $1,000 $500 Operating hrs/yr 1500 2000 0 5 00 1000 Answer the following two questions: Identify the curve that represents RAM motor hence determine the range of the number of operating hours for which it is the most economical of the three motors. O A. more than 1,500 OB. less than 500 O c. less than 900 OD. between 500 and 1,500 O E. between 500 and 900 OF. more than 900 O G. between 900 and 1,500 Identify the curve that represents the COLT motor and hence determine the range of the number of operating hours for which it is the most economical of the three motors. O A. less than 500 OB. more than 900 OC. more than 1,500 OD. between 500 and 1,500 O E. less than 900 OF. between 900 and 1,500 O G. between 500 and 900
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