We would like to predict what would happen in a particular market, under three different scenarios: monopoly, Cournot duopoly, and Bertrand duopoly. Out of these three scenarios:

The market price would be the highest under monopoly ; it would be second highest under Cournot duopoly; and it would be the lowest under Bertrand duopoly .
The overall quantity produced in the market would be the highest under Bertrand duopoly; it would be second-highest under Cournot duopoly ; and it would be the lowest under monopoly.

Required:
Is this correct and please explain ?

Exercise 2-12 cost behavior; high-low method [lo2-3, lo2-4] speedy parcel service operates a fleet of delivery trucks in a large metropolitan area. a careful study by the company’s cost analyst has determined that if a truck is driven 120,000 miles during a year, the average operating cost is 11.6 cents per mile. if a truck is driven only 80,000 miles during a year, the average operating cost increases to 13.6 cents per mile. required: 1.& 2. using the high-low method, estimate the variable and fixed cost elements of the annual cost of truck operation. (round the "variable cost per mile" to 3 decimal places.)