1 11 1 100 100150406050 ” 1. 2 11 2 -- 10%-15%25%-30%50%-60% -3-3-3-3 3 11 3 400-500100-20010050-10025-5050100 2. -- 1. 2. 4 11 4 3.15 4.20 5. 1. 2. 3. 5 11 5 -- 1. 2. 3. 6 11 6 (5 4. ” 50%56%74%53% 5. 7 11 7 -- ” 6. 60 -- 8 11 8 7. -- 9 11 9 8. 211 -- 7-8 17 10 11 10 101111 11 11 11