Day 20

1. -62%
2. $45
3. -17.5%
4. +166.7%
5. $180
6. $11.52
7. 9.9
8. +36.8%
9. 67.1%
10. 181.30
11. -27.6%
12. +68.4%
13. 45
14. +132.8%
15. -46.2%
16. 13.5
17. Discount per computer: $117.48
    Total Discount for all 6 computers: $704.88
    Final Cost: $5169.12
18. $140.25
19. 231.8%