Because the people selling it needs to make profit.
If dan's baseball card collection is stolen after he entered into an agreement to sell the cards, the contract must be discharged, because of the impossibility of performance.
What is the agreement?
A contract between two or more people to do something is referred to as an agreement. Two or more parties must agree to the terms of the agreement in order to create a legally binding commitment.
The baseball card collection entered into an agreement to sell the cards, the contract must be discharged, and the performance is impossible. The credit card was taken. This is the primary reason for the performance's impossibility.
As a result, the agreement of the discharge of the contract.
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Answer:
Both options C and D are correct.
Explanation:
Inflation refers to an increase in the general price level of goods and services overtime. Since it is conveyed in the question that the general price level in a later year became twice as high, inflation definitely occurred. Hence, option D is correct.
Nominal GDP is the value of the total output at current market prices. Real GDP adjusts that value for inflation. As prices double, nominal GDP ought to increase from $400m to $800m. However, it actually rose to $1000m. This additional increase of $200m shows that the real GDP has risen. However, the increase in real GDP is less than 100%. This implies option C is also correct.