Answer:
D. Upper Q equals 2000 minus 60 Upper P when P is $30 or less.
Step-by-step explanation:
The demand for goods and services is dependent on the market price. If the demand for specific goods is higher, there will be an increase in the price of the goods if the supply is low. However, if the demand for the goods is low and the supply is high, there will be a decrease in the price of the goods. Based on the information provided, the correct answer is option D.