Answer:
Handpicking is more cost effective (at $12 per hour for 120 pounds).
Step-by-step explanation:
Information given;
Handpicking yields 80 pounds per hour while
Mechanical pickers yield 120 pounds per hour
Wage rate of human pickers = $8 per hour
Mechanical picker rate = $15 per hour
For the human picker to pick 120 pounds,
Time required = 120/80
= 1.5 hours
If the human pickers are paid at $8 per hour
then wage to be paid in 1.5 hours = 1.5 × 8
= $12
From the above analysis, cost incurred on machine pickers for 120 pounds per hour is $15 while the cost incurred on human pickers is $12. Hence the human pickers are more cost effective.