Answer:
The correct answer is option a. 
Explanation:
Productivity can be defined as a measure of the efficiency of a person, factory, machine, system, etc, to convert inputs into outputs. In other words, it is the rate of output per unit of input.  
Productivity is an important determinant of living standards. A higher level of productivity means better living standards. This implies that growth in productivity is the key determinant of growth in living standards.
 
        
             
        
        
        
Answer:
The difference is in how they response to the level of production of the firm.
Variable cost are directly associated with the production level, therefore changes with the number of units produced.
Fixed costs do not change with the level of production and remains fixed. Usually, fixed cost changes with the time.
Periodic Costs are the costs that cannot be capitalised and are incurred for a period of time. Such as administrative costs.
Explanation:
 
        
             
        
        
        
Answer:
the answer is (d) euro. might be wrong tho i dont know
sry...
 
        
                    
             
        
        
        
All of them are the non-manufacturing business where process costing would most likely be used.
Explanation:
-  All are non-manufacturing business which are as follows,
-  An auto body shop. 
- A furniture repair shop.
-  A laboratory that tests water samples for lead A tailoring shop. 
- A beauty shop.
- Non-manufacturing business costs refers to those business where it is incurred outside the factory or production unit
- Non-manufacturing costs includes,
- selling expenses 
- general expenses
-  Selling Expenses 
- It is also called as selling and distribution expenses.
- Non-manufacturing expenses have no impact on the production cost of the company due to their period costs.