espresso coffee shop hires workers in a competitive labor market to make coffee. the ingre
3.Espresso Coffee Shop hires workers in a competitive labor market to make coffee. The ingredients required to make each cup of coffee cost 50 cents. The coffee shop’s hourly output of coffee varies with the number of workers hired, as shown in the table below. Each cup of coffee sells for $2.00.The marginal product of the fourth worker is ______ cups of coffee per hour.
A、70
B、60
C、17.5
D、10