Question : 21) A grocery store sells a bag of potatoes at : 1387244

 

 

21) A grocery store sells a bag of potatoes at a fixed price of $2.30. Which of the following is a term used by economists to describe the money received from the sale of an additional bag of potatoes?

A) marginal revenue

B) gross earnings

C) pure profit

D) marginal costs

E) net benefit

 

 

22) Economists reason that the optimal decision is to continue any activity up to the point where the

A) marginal benefit is zero.

B) marginal benefit is greater than the marginal cost.

C) marginal cost is zero.

D) marginal benefit equals the marginal cost.

 

 

23) Marginal analysis involves undertaking an activity

A) until its marginal costs start declining.

B) only when its marginal benefits are positive.

C) until its marginal benefits equal marginal costs.

D) only if its marginal costs are greater than its marginal benefits.

 

24) The revenue received from the sale of ________ of a product is a marginal benefit to the firm.

A) an additional unit

B) the total number of units

C) no units

D) only profitable units

 

 

25) Making optimal decisions “at the margin” requires

A) making decisions according to one’s whims and fancies.

B) making consistently irrational decisions.

C) weighing the costs and benefits of a decision before deciding if it should be pursued.

D) making borderline decisions.

 

 

26) Making “how much” decisions involves

A) calculating the total benefits of the activity and determining if you are satisfied with that amount.

B) calculating the total costs of the activity and determining if you can afford to incur that expenditure.

C) calculating the average benefit and the average cost of an activity to determine if it is worthwhile undertaking that activity.

D) determining the additional benefits and the additional costs of that activity.

 

27) The extra cost associated with undertaking an activity is called

A) net loss.

B) marginal cost.

C) opportunity cost.

D) foregone cost.

 

 

28) DeShawn’s Detailing is a service that details cars at the customers’ homes or places of work. DeShawn’s cost for a basic detailing package is $40, and he charges $75 for this service. For a total price of $90, DeShawn will also detail the car’s engine, a service that adds an additional $20 to the total cost of the package. What is DeShawn’s marginal benefit if he sells a basic detailing package?

A) $35

B) $75

C) He makes a marginal loss of $15, not a marginal benefit.

D) The marginal benefit cannot be determined. 

 

 

29) DeShawn’s Detailing is a service that details cars at the customers’ homes or places of work. DeShawn’s cost for a basic detailing package is $40, and he charges $75 for this service. For a total price of $90, DeShawn will also detail the car’s engine, a service that adds an additional $20 to the total cost of the package. What is the marginal cost of adding the engine detailing to the basic detailing package?

A) $20

B) $30

C) $60

D) $60 plus the value of his time

 

30) DeShawn’s Detailing is a service that details cars at the customers’ homes or places of work. DeShawn’s cost for a basic detailing package is $40, and he charges $75 for this service. For a total price of $90, DeShawn will also detail the car’s engine, a service that adds an additional $20 to the total cost of the package. Should DeShawn continue to offer the engine detailing service?

A) Yes, he still makes a profit by selling the engine detailing service with the basic detailing package.

B) Yes, but only if he raises the price of the basic detailing package.

C) No, his marginal benefit is less than his marginal cost.

D) More information is needed for DeShawn to make this decision.

 

 

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