Net domestic product (NDP) is the total value of new goods available in the economy after worn out capital goods have been replaced

Suppose the demand for Digital Video Recorders (DVRs) is given by Q = 250 - .25p + 4pc, where Q is the quantity of DVRs demanded (in 1000s), p is the price of a DVR, and pc is the price of cable television

How much does the quantity demanded for DVRs change if the p rises by $40? A) drops by 10,000 DVRs B) increases by 16,000 DVRs C) drops by 2,500 DVRs D) increases by 4,000 DVRs

George Webb Restaurant collects on the average $5 per customer at its breakfast & lunch diner. Its variable cost per customer averages $3, and its annual fixed cost is $40,000 . If George Webb wants to make a profit of $20,000 per year at the diner, it will have to serve__________ customers per year

a. 10,000 customers b. 20,000 customers c. 30,000 customers d. 40,000 customers e. 50,000 customers