| 1. | | | | | | | | | | 30% 50% | | | | 2. | | | | | | | | | | | | | | | 1. | 0 5 5 10 10 20 | | | | | | | | | | 2. | | | | | | | | | | | | | | | 8% | | | ︵︽ | ︾ ︶ | |