If the Government decreases the interest rates on capital goods such as new plant and equipment and building. Investment also include spending on working capital such as stocks of finish goods and work in progress.in this investment 75 per-cent come from private sector as a retail store investment is important long period effect on the supply side of the economy as well as being an important although volatile component of aggregate demand.it will also have a great impact on the investment as because firms and the companies will get more borrowings in order to invest. it will also have a great change people will have more job opportunities if the companies invest . Thus this will also play a great role in order to recovery of the economy.