Consider the following statements. Small-Scale industries are in most cases not as efficient and competitive as the large-scale ones. Yet the Government provides preferential treatment and reservation in a range of products to the small firms because small scale-industries.1. Provide higher employment on per unit capital development basis.2. Promote a regional dispersion of industries and economic activities.3. Have performed better in export of manufactured products than the large scale ones.4. Provide jobs to low skill workers who otherwise may not find employment avenues else where. Which of the above statements are correct?