1 What are the central problems of an economy? Discuss them in detail. 2) How does the word demand differ from need, want and desire?
3) What are the main determinants of market demand?
4) Explain the law of demand and supply.
5) Find out equilibrium price and output for the following market condition.
Demand function Qd=50-2P and
Supply function Qs = 3P

Long-distance providers are becoming increasingly concerned about certain activities within their industry. various companies come together voluntarily to implement new standards of social responsibility that members must abide by. what seems to be the primary motivation in this case for an increased interest in social responsibility? - because corporations are creations of society, they are responsible for giving back to the communities in which they operate.- these companies have realized it is in their best interest to increase their social responsibility before they are once again subject to stricter regulations.- these companies are using social responsibility as a means to increase their profitability, both short term and long term.- long-distance providers have started taking pride in their industry and its record for social responsibility.- they feel a responsibility to their stockholders, employees, the government, investors, and society as a whole.

Which of the following would indicate an improvement in a company's financial position, holding other things constant? a. the inventory and total assets turnover ratios both decline.b. the debt ratio increases.c. the profit margin declines.d. the times-interest-earned ratio declines.e. the current and quick ratios both increase.

Rebel technology maintains its records using cash-basis accounting. during the year, the company received cash from customers, $43,000, and paid cash for salaries, $23,500. at the beginning of the year, customers owe rebel $1,000. by the end of the year, customers owe $6,600. at the beginning of the year, rebel owes salaries of $5,600. at the end of the year, rebel owes salaries of $3,300. determine cash-basis net income and accrual-basis net income for the year.