Answer:
d. This cannot be determined from the given information
Explanation:
To find the average revenue of 200 units it is necessary to know the total units. However, the function of the marginal revenue is not given. It is impossible to infer the marginal revenue (price) of other units (of output) only from knowing the marginal revenue of the 100th unit.
Increase in price leads to a decrease in supply.
I believe the answer is: Savings
When you experience a sudden emergency without preparation, you would most likely take out some percentage of money from your life savings to survive the crisis.To prevent this, most people decided to set aside an emergency fund at their banks or covered their risk by buying insurances.